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argumentative speech about global warming

Global Warming Speech: 1, 2, 3-5 Minute Speech


  • Updated on  
  • Feb 3, 2024

global warming speech

Global warming refers to the long-term rise in Earth’s average surface temperature. Since the 18th-century Industrial Revolution in European Countries, global annual temperature has increased in total by a little more than 1 degree Celsius. Global Warming is one of the most concerning issues facing us, as it threatens the existence of life on Earth. Greenhouse gas emissions, deforestation, industrial processes, waste management, etc are all reasons for global warming.

Did you know: Antarctica is losing ice mass at an average rate of about 150 billion tons per year, and Greenland is losing about 270 billion tons per year, adding to sea level rise?

Today, weather prediction has been becoming more complex with every passing year, with seasons more indistinguishable, and the general temperatures hotter. The number of natural disasters like hurricanes, cyclones, droughts, floods, etc., has risen steadily since the onset of the 21st century. The supervillain behind all these changes is Global Warming. The name is quite self-explanatory; it means the rise in the temperature of the Earth. Since childhood, we all have heard about it, but just as a formality, let us first understand what global warming is!

Quick Read: 2-Minute Speech on Holi

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Short global warming speech 100-150 words (1 minute), global warming speech 250 words (2 minutes), global warming speech 500- 700 words (3- 5 minutes), 10-line global warming speech, causes of global warming, ways to tackle global warming.

It means a rise in global temperature due to the greenhouse gases in the atmosphere due to human activities and inventions. In scientific words, Global Warming is when the earth heats (the temperature rises). It occurs when the earth’s atmosphere warms up as a result of the sun’s heat and light being trapped by greenhouse gases such as carbon dioxide, water vapour, nitrous oxide, and methane. Many people, animals, and plants are harmed by this. Many people die because they can’t handle the shift.

global warming speech

Good morning to everyone present here today I am going to present a speech on global warming. Global Warming is caused by the increase of carbon dioxide levels in the earth’s atmosphere and is a result of human activities that have been causing harm to our environment for the past few centuries now. Global Warming is something that can’t be ignored and steps have to be taken to tackle the situation globally. The average temperature is constantly rising by 1.5 degrees Celsius for the last few years. The best method to prevent future damage to the earth, cutting down more forests should be banned and Afforestation should be encouraged. Start by planting trees near your homes and offices, participate in events, and teach the importance of planting trees. It is impossible to undo the damage but it is possible to stop further harm.

Good morning everyone and topic of my speech today is global warming. Over a long period, it is observed that the Earth’s temperature is rising rapidly. This affected the wildlife, animals, humans, and every living organism on earth. Glaciers have been melting, and many countries have started water shortages, flooding, erosion and all this is because of global warming. No one can be blamed for global warming except for humans. Human activities such as gases released from power plants, transportation, and deforestation have resulted in the increase of gases such as carbon dioxide, CFCs, and other pollutants in the earth’s atmosphere. The main question is how can we control the current situation and build a better world for future generations. It starts with little steps by every individual. Start using cloth bags made from sustainable materials for all shopping purposes, instead of using the high-watt lights use the energy-efficient bulbs, switch off the electricity, don’t waste water, abolish deforestation and encourage planting more trees. Shift the use of energy from petroleum or other fossil fuels to wind and solar energy. Instead of throwing out the old clothes donate them to someone so that it is recycled. Donate old books, don’t waste paper.  Above all, spread awareness about global warming. Every little thing a person does towards saving the earth will contribute in big or small amounts. We must learn that 1% effort is better than no effort. Pledge to take care of Mother Nature and speak up about global warming. 

Also Read: How To Become an Environmentalist?

Also Read: Essay on Global Warming

Global warming isn’t a prediction, it is happening! A person denying it or unaware of it is in the most simple terms complicit. Do we have another planet to live on? Unfortunately, we have been bestowed with this one planet only that can sustain life yet over the years we have turned a blind eye to the plight it is in. Global warming is not an abstract concept but a global phenomenon occurring ever so slowly even at this moment. Global Warming is a phenomenon that is occurring every minute resulting in a gradual increase in the Earth’s overall climate. Brought about by greenhouse gases that trap the solar radiation in the atmosphere, global warming can change the entire map of the earth, displacing areas, flooding many countries and destroying multiple lifeforms. Extreme weather is a direct consequence of global warming but it is not an exhaustive consequence. There are virtually limitless effects of global warming which are all harmful to life on earth. The sea level is increasing by 0.12 inches per year worldwide. This is happening because of the melting of polar ice caps because of global warming. This has increased the frequency of floods in many lowland areas and has caused damage to coral reefs. The Arctic is one of the worst-hit areas affected by global warming. Air quality has been adversely affected and the acidity of the seawater has also increased causing severe damage to marine life forms. Severe natural disasters are brought about by global warming which has had dire effects on life and property. As long as mankind produces greenhouse gases, global warming will continue to accelerate. The consequences are felt at a much smaller scale which will increase to become drastic shortly. The power to save the day lies in the hands of humans, the need is to seize the day. Energy consumption should be reduced on an individual basis. Fuel-efficient cars and other electronics should be encouraged to reduce the wastage of energy sources. This will also improve air quality and reduce the concentration of greenhouse gases in the atmosphere. Global warming is an evil which can only be defeated when fought together. It is better late than never. If we take steps today, we will have a much brighter future tomorrow. Global warming is the bane of our existence and various policies have come up worldwide to fight it but that is not enough. The actual difference is made when we work at an individual level to fight it. Understanding its importance now is crucial before it becomes an irrevocable mistake. Exterminating global warming is of utmost importance and everyone is as responsible for it as the next.  

Students in grades 1-3 can benefit from this kind of speech since it gives them a clear understanding of the issue in an accessible manner.

  • Although global warming is not a new occurrence and has been a worry since before civilization, the danger is only getting worse over time.
  • The average global temperature is rising as a result of pollution and damage to the natural systems that control the climate, including the air, water, and land.
  • Population growth and people’s desire to live comfortably are the main causes of pollution.
  • The primary sources include carbon emissions from the combustion of fossil fuels, factories, cars, trains, and other transportation, as well as from the coal industry.
  • When these dangerous pollutants are discharged into the atmosphere, protective layers like ozone begin to erode, allowing dangerous solar rays to enter the atmosphere and causing a temperature rise.
  • Because of the disastrous consequences of global warming, the threat has increased.
  • This causes unnatural effects like the melting of glaciers, the rise in sea level, hurricanes, droughts, and floods, which alters the climate and upsets everything.
  • Changes in rainfall patterns have only made agricultural lands and hence the vegetation worse.
  • Using renewable energy sources, such as solar or wind, for power and other requirements can help us slow down the effects of climate change.
  • To protect the environment and our natural resources, we must begin living sustainably.

global warming speech

Various factors lead to global warming. These days people have become so careless and selfish that they mainly focus on their growth and development. They tend to ignore nature’s need for love and care. Enlisted are the various causes of Global Warming:

  • Industrial Activities : Industrial Activities lead to the vast usage of fossil fuels for the production of energy. These fossil fuels release carbon dioxide into the atmosphere, which leads to global warming. This energy is used for heat and electricity, transportation, industrial activities, agriculture, oil and gas production, etc.
  • Agricultural Activities : The activity which provides every living thing with food is the one that leads to climate change, i.e., global warming. Agricultural activities use harmful commercial fertilizers that reap nitrous oxide, the most potent greenhouse gas. Methane is the other potent greenhouse gas that comes from the decomposition of waste, burning biomass, digestive systems of livestock, and numerous natural sources.
  • Oil Drilling : Residuals from oil drilling release carbon dioxide. The processing of these fossil fuels and their distribution leads to methane production, a harmful greenhouse gas.
  • Garbage : A recent study shows that 18 per cent of methane gas comes from wastage and its treatment. This methane gas leads to harmful conditions, i.e., global warming.

Also Read: Essay on Sustainable Development: Format & Examples

global warming speech

  • Afforestation : Every individual should take up an oath to plant at least five trees a year. This will lead to an increase in the number of trees, ultimately reducing the overall temperature.
  • Reduce, Reuse and Recycle : We should focus on reducing the use of fossil fuels and other products, which lead to the production of harmful gases. Reusing means repetitive use of a single product. We must focus on reusing products to omit the disposing procedure, which leads to the production of harmful greenhouse gases. One must also focus on recycling paper, glass, newspaper, etc., which can reduce carbon dioxide production, ultimately reducing global warming.
  • Reduce Hot Water Use : We should reduce the unnecessary use of hot water that leads to the production of carbon dioxide. A recent study shows that high hot water usage leads to an approximate output of 350 pounds of carbon dioxide.
  • Buy Better Bulbs : It’s observed that traditional bulbs consume more energy as compared to LED bulbs. LED bulbs approximately conserve 80 per cent of the energy that might get wasted using traditional ones. So, one must shift to efficient and energy-conserving bulbs, which will ultimately help reduce global warming.

Also Read: Environmental Conservation

The three main causes of global warming are – burning fossil fuels, deforestation and agricultural activities.

Some of the ways through which we can stop global warming are – driving less, recycling more, planting trees, replacing regular bulbs with CFL ones, avoiding products with a lot of packaging, etc.

Climate change affects human health as it depletes the water and air quality, leads to extreme weather, increases the pace at which certain diseases spread, etc.

Mother Earth is facing the consequences of our careless actions. It is high time now that we act and protect the environment. A few decades ago, afforestation, using renewable sources, etc., was just an option, but today, these have become a necessity. If we do not change and move towards a more sustainable growth model, this planet that we all share will be significantly affected, and life, as we know it today, may perish. Let’s take a pledge to conserve and restore the beauty of our planet Earth. For more such informative content, follow Leverage Edu !

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Sonal is a creative, enthusiastic writer and editor who has worked extensively for the Study Abroad domain. She splits her time between shooting fun insta reels and learning new tools for content marketing. If she is missing from her desk, you can find her with a group of people cracking silly jokes or petting neighbourhood dogs.

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Transcript: Greta Thunberg's Speech At The U.N. Climate Action Summit

Climate activist Greta Thunberg, 16, addressed the U.N.'s Climate Action Summit in New York City on Monday. Here's the full transcript of Thunberg's speech, beginning with her response to a question about the message she has for world leaders.

"My message is that we'll be watching you.

"This is all wrong. I shouldn't be up here. I should be back in school on the other side of the ocean. Yet you all come to us young people for hope. How dare you!

"You have stolen my dreams and my childhood with your empty words. And yet I'm one of the lucky ones. People are suffering. People are dying. Entire ecosystems are collapsing. We are in the beginning of a mass extinction, and all you can talk about is money and fairy tales of eternal economic growth. How dare you!

'This Is All Wrong,' Greta Thunberg Tells World Leaders At U.N. Climate Session

'This Is All Wrong,' Greta Thunberg Tells World Leaders At U.N. Climate Session

"For more than 30 years, the science has been crystal clear. How dare you continue to look away and come here saying that you're doing enough, when the politics and solutions needed are still nowhere in sight.

"You say you hear us and that you understand the urgency. But no matter how sad and angry I am, I do not want to believe that. Because if you really understood the situation and still kept on failing to act, then you would be evil. And that I refuse to believe.

"The popular idea of cutting our emissions in half in 10 years only gives us a 50% chance of staying below 1.5 degrees [Celsius], and the risk of setting off irreversible chain reactions beyond human control.

"Fifty percent may be acceptable to you. But those numbers do not include tipping points, most feedback loops, additional warming hidden by toxic air pollution or the aspects of equity and climate justice. They also rely on my generation sucking hundreds of billions of tons of your CO2 out of the air with technologies that barely exist.

"So a 50% risk is simply not acceptable to us — we who have to live with the consequences.

"To have a 67% chance of staying below a 1.5 degrees global temperature rise – the best odds given by the [Intergovernmental Panel on Climate Change] – the world had 420 gigatons of CO2 left to emit back on Jan. 1st, 2018. Today that figure is already down to less than 350 gigatons.

"How dare you pretend that this can be solved with just 'business as usual' and some technical solutions? With today's emissions levels, that remaining CO2 budget will be entirely gone within less than 8 1/2 years.

"There will not be any solutions or plans presented in line with these figures here today, because these numbers are too uncomfortable. And you are still not mature enough to tell it like it is.

"You are failing us. But the young people are starting to understand your betrayal. The eyes of all future generations are upon you. And if you choose to fail us, I say: We will never forgive you.

"We will not let you get away with this. Right here, right now is where we draw the line. The world is waking up. And change is coming, whether you like it or not.

"Thank you."

  • climate change
  • greta thunberg

Example of a Persuasive Speech Global Warming

argumentative speech about global warming

Global Warming

If you are in need of a persuasive speech for school, college or work, here is an example of a persuasive speech. It is a very informative speech, but why not have a look at the statistics on NASA’s website?

There is little doubt that the planet is warming. Over the last century, the planets temperature has risen by around 1.8 degree fahrenheit (1 degree celsius). The warmest since the mid 1800’s was the 1990s and since then only 1998 has broken this record. The hottest years recorded were 1997, 1998, 2001, 2002, 2003. In fact 14 of the hottest years on record have been in the last 15 years.

The United Nations panel on climate change projects that the global temperatures will rise 3-10 degrees fahrenheit by the century’s end – enough to have the polar caps all but melted. If the ice caps melt, a vast majority of our countries borders will be under water. Monuments and great buildings, as well as homes and lives will be under water, including New York City.

So now we know what some of the causes are for global warming, how can we as individuals do our part to help save the planet?

The answer is simpler than you may think. You don’t have to go miles away from home to protest, or spend masses of money. If you try to follow the few simple steps that I shall now give you, you will have started to help us all.

Firstly, plant a tree. This could be easier than it sounds. Join or help out a local wildlife group and ask to plant a tree. Trees, when fully grown, will help keep the planet cooler. On the same point, you could protest against the demolition of the rainforests. This is the same principle, we need the trees to cool our planet and yet they are chopping them down to create roads or homes.

Something as simple as walking instead of taking the car will help reduce pollution. As well as stopping pollution, you are giving yourself exercise, something important for our bodies. So the next time you get into your car, or your motorbike, think – do I have to make this journey by vehicle or can I walk?

When you are at home, and your getting a little cold. Put a jumper on and do not adjust the heating. The extra heat produced by our homes also affects the planet. So try wearing an extra layer in winter.

If possible, buy your fruit and vegetables from local suppliers. And try to avoid imported goods. The more foreign food that we import the more pollution from aeroplanes and boats it will create.

Keeping to the speed limit can also help the environment. The more you speed the more petrol you are going to use, making the pollution higher. Also, SUV’s make about six times their own weight in CO2 each year. A small efficient diesel car covering the same distance not only uses much less fuel; it makes two thirds less.

If possible use solar energy, after all it is free; all you need to buy is the equipment. You can get much of your hot water and heating from the sun and even generate electricity.

Reduce, reuse and recycle. Only buy what you need; don’t stock the cupboards with things you may or may not use. Reuse whatever you can, like containers and paper, and recycle what you cannot reuse. It really is as simple as that.

Finally turning off unused sources of power such as televisions and heaters will help the environment, as well as save you money.

If everybody stuck to these rules, we would be doing a great thing by protecting the earth. So please take into consideration what I have said, and try to do your part. After all, it will be our next generation that will feel the effects.

Next persuasive speech example >> Diana

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argumentative speech about global warming

thanks vary much now I can Answer my task

Tnks phoe kc nkpagreport aq ng maayoz.,tnks ng mlak

this is an excelent speech, but the opening paragraph could be slightly more grasping, as it doesn’t attract the audience too well, but an overall excellent speech 🙂

actually great speech!

This speech is very informative about what we as individuals can do but it doesn’t give a clear understanding of what affects global warming and what other problems could occur if the polar ice caps melted.The introduction could be a little bit better as it doesn’t grab the audience’s attention. The facts are very good and the things we can do to help are things I can now do to help. Overall a good speech but the intro and the other areas I commented on could be better.

Excellent speech! Can I get the name of the author?

It is copywrited to Presentation Magazine

thanks for everything <3

thx brw, this help me so much

I agree with kieran

that totaly helped me!!!!

Thankx..its help me well!!

i like it all. quite interesting!:)

sounds more like a informative speech to me

Awesome Speech!

how wonderfull

cool i loved it!

Best help ever.!!! Three cheers yay

this speech saved my day it is very interesting

great!!! it is good…

thanks so much! u saved my day! bt yeah da startng could have been a bit more interesting however overall gr8 speech!

It is very helpfull for me . I love it and thnx . I impressed my teachers and freinds ………

Thanx once again !!!!!!

thankz about the information

Omgarshhhh I’m in love with this , thank you so so so much you have made be a better persuasive writer ! You are incredible , words can’t express how I feel right now ! I’m so impacted ! Keep posting you’re doing fine ! And now can you please example please !

Great speech

Why does she didn’t address anyone who is listening or especially the audiences

Sounds great. Liked it

Fantastic speech and good information !!

thankyou, I’m getting a better a better mark for my grade 7 english

Thank u for give me idea for my speech

thats great

this website really help me understand a persuasive speech for an essay

Thank you verymuch for your global warming example that i used it as a referrence to prepare m own speech

It’s great. Thanks for this example. I really need this in our English X.

Really useful for my persuasive writing task and speech, reduce, reuse and recycle – genius!

Great! No matter wat,,I will pass speech nw

That speech is very good to the people that cannot understand the important of nature and people that cannot follow the rules

thanks a lot but it seems that I should not use A lot of quotes

This speech could use some more interesting and persuasive vocabulary in the introduction but has a great topic to focus on the entire way through and could be very useful for the reader. It gives many facts and this helps the reader develop an understanding of what could happen to the next generation as said within your speech!

This is a good speech..May I use this for my students?

thank you! It helped me

does it use rhetoric cause if it does I wanna use it nice job

gosh, our warming problems are getting worse, when will we do something? thanks for the speech!

The speech was good but not formal persuasive speech as there was no Theses and Introduction. It could have 1 or 2 lines for garbing audience’s attention. Anyways this is a very good topic for audience to persuade

good speech =)

plz give the speech about modern media

Thank you for sharing your speech


May I know who is the author for this speech please..thanks

agree with Kieran

I like the speech thank you so much

can i know who`s the author? plzz thanks

Yes it is us – Presentation Magazine

simple but nice, thank u writer 🙂


Thank you very much …..

I agree with anonymous. It really looks like an informative speech rather than a persuasive one but it’s still impressive.

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16-year-old Swedish Climate activist Greta Thunberg speaks at the 2019 United Nations Climate Action Summit at U.N. headqu...

Gretchen Frazee Gretchen Frazee

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Read climate activist Greta Thunberg’s speech to the UN

Swedish climate activist Greta Thunberg chastised world leaders Monday for failing younger generations by not taking sufficient steps to stop climate change.

“You have stolen my childhood and my dreams with your empty words,” Thunberg said at the United Nations Climate Action Summit in New York.

Thunberg traveled to the U.S. by sailboat last month so she could appear at the summit. She and other youth activists led international climate strikes on Friday in an attempt to garner awareness ahead of the UN’s meeting of political and business leaders.

Read Greta Thunberg’s speech below:

This is all wrong. I shouldn’t be up here. I should be back in school on the other side of the ocean. Yet you all come to us young people for hope. How dare you?

You have stolen my dreams and my childhood with your empty words, and yet I’m one of the lucky ones. People are suffering, people are dying. Entire ecosystems are collapsing. We are in the beginning of a mass extinction and all you can talk about is money and fairytales of eternal economic growth. How dare you?

For more than 30 years, the science has been crystal clear. How dare you continue to look away and come here saying that you’re doing enough when the politics and solutions needed are still nowhere in sight? You say you hear us and that you understand the urgency, but no matter how sad and angry I am, I do not want to believe that. Because if you really understood the situation and still kept on failing to act, then you would be evil and that I refuse to believe.

The popular idea of cutting our emissions in half in ten years only gives us a 50 percent chance of staying below 1.5 degrees and the risk of setting up irreversible chain reactions beyond human control. Fifty percent may be acceptable to you, but those numbers do not include tipping points most feedback loops, additional warming hidden by toxic air pollution, or the aspects of equity and climate justice.

They also rely on my generation sucking hundreds of billions of tons of your CO2 out of the air with technologies that barely exist. So a 50 percent risk is simply not acceptable to us. We who have to live with the consequences. To have a 67 percent chance of staying below the 1.5 degree of temperature rise, the best odds given by the IPCC, the world had 420 gigatons of CO2 left to emit back on January 1, 2018.

Today that figure is already down to less than 350 gigatons. How dare you pretend that this can be solved with just business as usual and some technical solutions? With today’s emissions levels, that remaining CO2 that entire budget will be gone is less than 8 and a half years. There will not be any solutions or plans presented in line with these figures here today because these numbers are too uncomfortable and you are still not mature enough to tell it like it is.

You are failing us, but young people are starting to understand your betrayal. The eyes of all future generations are upon you. And if you choose to fail us, I say we will never forgive you. We will not let you get away with this, right here, right now, is where we draw the line. The world is waking up, and change is coming whether you like it or not.

Gretchen Frazee is a Senior Coordinating Broadcast Producer for the PBS NewsHour.

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argumentative speech about global warming

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Four Powerful Climate Change Speeches to Inspire You

To support the running costs of Moral Fibres, this post may contain affiliate links. This means Moral Fibres may earn a small commission, at no extra cost to readers, on items purchased through these links.

argumentative speech about global warming

Looking to be inspired to take action on climate change? Watch these four powerful climate change speeches, and get ready to change the world.

Climate change is the most pressing concern facing us and our planet. As such, we need powerful action, and fast, from both global leaders and global corporations, right down to individuals.

I’ve got over 70 climate change and sustainability quotes to motivate people and inspire climate action. But if it is more than quotes you need then watch these four impassioned climate change speeches. These speeches are particularly good if you are looking for even more inspiration to inspire others to take climate action.

The Sustainability Speeches To Motivate You

Tree canopy with a blue text box that reads the climate change speeches to inspire you.

Here are the speeches to know – I’ve included a video of each speech plus a transcript to make it easy to get all the information you need. Use the quick links to jump to a specific speech or keep scrolling to see all the speeches.

Greta Thunberg’s Climate Change Speech at the 2019 UN Climate Action Summit

Leonardo dicaprio’s climate change speech at the 2014 un climate summit, yeb sano’s climate change speech at the united nations climate summit in warsaw, greta thunberg’s speech at houses of parliament.

In September 2019 climate activist Greta Thunberg addressed the U.N.’s Climate Action Summit in New York City with this inspiring climate change speech:

YouTube video

Here’s the full transcript of Greta Thunberg’s climate change speech. It begins with Greta’s response to a question about the message she has for world leaders.

My message is that we’ll be watching you.

This is all wrong. I shouldn’t be up here. I should be back in school on the other side of the ocean. Yet you all come to us young people for hope. How dare you!

You have stolen my dreams and my childhood with your empty words. And yet I’m one of the lucky ones. People are suffering. People are dying. Entire ecosystems are collapsing. We are in the beginning of a mass extinction, and all you can talk about is money and fairy tales of eternal economic growth. How dare you!

For more than 30 years, the science has been crystal clear. How dare you continue to look away and come here saying that you’re doing enough when the politics and solutions needed are still nowhere in sight.

You say you hear us and that you understand the urgency. But no matter how sad and angry I am, I do not want to believe that. Because if you really understood the situation and still kept on failing to act, then you would be evil. And that I refuse to believe.

The popular idea of cutting our emissions in half in 10 years only gives us a 50% chance of staying below 1.5°C, and the risk of setting off irreversible chain reactions beyond human control.

Fifty per cent may be acceptable to you. But those numbers do not include tipping points, most feedback loops, additional warming hidden by toxic air pollution or the aspects of equity and climate justice. They also rely on my generation sucking hundreds of billions of tons of your CO 2 out of the air with technologies that barely exist.

So a 50% risk is simply not acceptable to us — we who have to live with the consequences.

To have a 67% chance of staying below a 1.5°C global temperature rise – the best odds given by the Intergovernmental Panel on Climate Change – the world had 420 gigatons of CO 2 left to emit back on January 1st, 2018. Today that figure is already down to less than 350 gigatons.

How dare you pretend that this can be solved with just ‘business as usual’ and some technical solutions? With today’s emissions levels, that remaining CO 2 budget will be entirely gone within less than 8 and a half years.

There will not be any solutions or plans presented in line with these figures here today, because these numbers are too uncomfortable. And you are still not mature enough to tell it like it is.

You are failing us. But the young people are starting to understand your betrayal. The eyes of all future generations are upon you. And if you choose to fail us, I say: We will never forgive you.

We will not let you get away with this. Right here, right now is where we draw the line. The world is waking up. And change is coming, whether you like it or not.

Leonardo DiCaprio gave an impassioned climate change speech at the 2014 UN Climate Summit. Watch it now:

YouTube video

Here’s a transcript of Leonardo DiCaprio’s climate change speech in case you’re looking to quote any part of it.

Thank you, Mr Secretary General, your excellencies, ladies and gentleman, and distinguished guests. I’m honoured to be here today, I stand before you not as an expert but as a concerned citizen. One of the 400,000 people who marched in the streets of New York on Sunday, and the billions of others around the world who want to solve our climate crisis.

As an actor, I pretend for a living. I play fictitious characters often solving fictitious problems.

I believe humankind has looked at climate change in that same way. As if it were fiction, happening to someone else’s planet, as if pretending that climate change wasn’t real would somehow make it go away.

But I think we know better than that. Every week, we’re seeing new and undeniable climate events, evidence that accelerated climate change is here now .  We know that droughts are intensifying.  Our oceans are warming and acidifying, with methane plumes rising up from beneath the ocean floor. We are seeing extreme weather events, increased temperatures, and the West Antarctic and Greenland ice sheets melting at unprecedented rates, decades ahead of scientific projections.

None of this is rhetoric, and none of it is hysteria. It is fact. The scientific community knows it. Industry and governments know it. Even the United States military knows it. The chief of the US Navy’s Pacific Command, Admiral Samuel Locklear, recently said that climate change is our single greatest security threat.

My friends, this body – perhaps more than any other gathering in human history – now faces that difficult task. You can make history or be vilified by it.

To be clear, this is not about just telling people to change their light bulbs or to buy a hybrid car. This disaster has grown BEYOND the choices that individuals make. This is now about our industries, and governments around the world taking decisive, large-scale action.

I am not a scientist, but I don’t need to be. Because the world’s scientific community has spoken, and they have given us our prognosis. If we do not act together, we will surely perish.

Now is our moment for action.

We need to put a price tag on carbon emissions and eliminate government subsidies for coal, gas, and oil companies. We need to end the free ride that industrial polluters have been given in the name of a free-market economy. They don’t deserve our tax dollars, they deserve our scrutiny. For the economy itself will die if our ecosystems collapse.

The good news is that renewable energy is not only achievable but good economic policy. New research shows that by 2050 clean, renewable energy could supply 100% of the world’s energy needs using existing technologies, and it would create millions of jobs.

This is not a partisan debate; it is a human one. Clean air and water, and a livable climate are inalienable human rights. And solving this crisis is not a question of politics. It is our moral obligation – if, admittedly, a daunting one.

We only get one planet. Humankind must become accountable on a massive scale for the wanton destruction of our collective home. Protecting our future on this planet depends on the conscious evolution of our species.

This is the most urgent of times, and the most urgent of messages.

Honoured delegates, leaders of the world, I pretend for a living. But you do not. The people made their voices heard on Sunday around the world and the momentum will not stop. And now it’s YOUR turn, the time to answer the greatest challenge of our existence on this planet is now.

I beg you to face it with courage. And honesty. Thank you.

The Philippines’ lead negotiator  Yeb Sano  addressed the opening session of the UN climate summit in Warsaw in November 2013. In this emotional and powerful climate change speech he called for urgent action to prevent a repeat of the devastating storm that hit parts of the Philippines:

YouTube video

Transcript of Yeb’s Climate Change Speech

Here’s a transcript of Yeb’s climate change speech:

Mr President, I have the honour to speak on behalf of the resilient people of the Republic of the Philippines.

At the onset, allow me to fully associate my delegation with the statement made by the distinguished Ambassador of the Republic of Fiji, on behalf of G77 and China as well as the statement made by Nicaragua on behalf of the Like-Minded Developing Countries.

First and foremost, the people of the Philippines, and our delegation here for the United Nations Climate Change Convention’s 19 th  Conference of the Parties here in Warsaw, from the bottom of our hearts, thank you for your expression of sympathy to my country in the face of this national difficulty.

In the midst of this tragedy, the delegation of the Philippines is comforted by the warm hospitality of Poland, with your people offering us warm smiles everywhere we go. Hotel staff and people on the streets, volunteers and personnel within the National Stadium have warmly offered us kind words of sympathy. So, thank you Poland.

The arrangements you have made for this COP is also most excellent and we highly appreciate the tremendous effort you have put into the preparations for this important gathering.

We also thank all of you, friends and colleagues in this hall and from all corners of the world as you stand beside us in this difficult time.

I thank all countries and governments who have extended your solidarity and for offering assistance to the Philippines.

I thank the youth present here and the billions of young people around the world who stand steadfastly behind my delegation and who are watching us shape their future.

I thank civil society, both who are working on the ground as we race against time in the hardest-hit areas, and those who are here in Warsaw prodding us to have a sense of urgency and ambition.

We are deeply moved by this manifestation of human solidarity. This outpouring of support proves to us that as a human race, we can unite; that as a species, we care.

It was barely 11 months ago in Doha when my delegation appealed to the world… to open our eyes to the stark reality that we face… as then we confronted a catastrophic storm that resulted in the costliest disaster in Philippine history.

Less than a year hence, we cannot imagine that a disaster much bigger would come. With an apparent cruel twist of fate, my country is being tested by this hellstorm called Super Typhoon Haiyan, which has been described by experts as the strongest typhoon that has ever made landfall in the course of recorded human history.

It was so strong that if there was a Category 6, it would have fallen squarely in that box. Up to this hour, we remain uncertain as to the full extent of the devastation, as information trickles in an agonisingly slow manner because electricity lines and communication lines have been cut off and may take a while before these are restored.

The initial assessment shows that Haiyan left a wake of massive devastation that is unprecedented, unthinkable, and horrific, affecting 2/3 of the Philippines, with about half a million people now rendered homeless, and with scenes reminiscent of the aftermath of a tsunami, with a vast wasteland of mud and debris and dead bodies.

According to satellite estimates, the US National Oceanic and Atmospheric Administration also estimated that Haiyan achieved a minimum pressure between around 860 mbar (hPa; 25.34 inHg) and the Joint Typhoon Warning Center estimated Haiyan to have attained one-minute sustained winds of 315 km/h (195 mph) and gusts up to 378 km/h (235 mph) making it the strongest typhoon in modern recorded history.

Despite the massive efforts that my country had exerted in preparing for the onslaught of this monster of a storm, it was just a force too powerful, and even as a nation familiar with storms, Super Typhoon Haiyan was nothing we have ever experienced before, or perhaps nothing that any country has every experienced before.

The picture in the aftermath is ever so slowly coming into clearer focus. The devastation is colossal. And as if this is not enough, another storm is brewing again in the warm waters of the western Pacific. I shudder at the thought of another typhoon hitting the same places where people have not yet even managed to begin standing up.

To anyone who continues to deny the reality that is climate change, I dare you to get off your ivory tower and away from the comfort of your armchair.

I dare you to go to the islands of the Pacific, the islands of the Caribbean and the islands of the Indian Ocean and see the impacts of rising sea levels; to the mountainous regions of the Himalayas and the Andes to see communities confronting glacial floods, to the Arctic where communities grapple with the fast dwindling polar ice caps, to the large deltas of the Mekong, the Ganges, the Amazon, and the Nile where lives and livelihoods are drowned, to the hills of Central America that confront similar monstrous hurricanes, to the vast savannahs of Africa where climate change has likewise become a matter of life and death as food and water becomes scarce.

Not to forget the massive hurricanes in the Gulf of Mexico and the eastern seaboard of North America. And if that is not enough, you may want to pay a visit to the Philippines right now.

The science has given us a picture that has become much more in focus. The IPCC report on climate change and extreme events underscored the risks associated with changes in the patterns as well as the frequency of extreme weather events.

Science tells us that simply, climate change will mean more intense tropical storms. As the Earth warms up, that would include the oceans. The energy that is stored in the waters off the Philippines will increase the intensity of typhoons and the trend we now see is that more destructive storms will be the new norm.

This will have profound implications on many of our communities, especially who struggle against the twin challenges of the development crisis and the climate change crisis. Typhoons such as Yolanda (Haiyan) and its impacts represent a sobering reminder to the international community that we cannot afford to procrastinate on climate action. Warsaw must deliver on enhancing ambition and should muster the political will to address climate change.

In Doha, we asked, “If not us then who? If not now, then when? If not here, then where?” (borrowed from Philippine student leader Ditto Sarmiento during Martial Law). It may have fell on deaf ears. But here in Warsaw, we may very well ask these same forthright questions. “If not us, then who? If not now, then when? If not here in Warsaw, where?”

What my country is going through as a result of this extreme climate event is madness. The climate crisis is madness.

We can stop this madness. Right here in Warsaw.

It is the 19 th  COP, but we might as well stop counting because my country refuses to accept that a COP30 or a COP40 will be needed to solve climate change.

And because it seems that despite the significant gains we have had since the UNFCCC was born, 20 years hence we continue to fail in fulfilling the ultimate objective of the Convention. 

Now, we find ourselves in a situation where we have to ask ourselves – can we ever attain the objective set out in Article 2 – which is to prevent dangerous anthropogenic interference with the climate system? By failing to meet the objective of the Convention, we may have ratified the doom of vulnerable countries.

And if we have failed to meet the objective of the Convention, we have to confront the issue of loss and damage.

Loss and damage from climate change is a reality today across the world. Developed country emissions reduction targets are dangerously low and must be raised immediately. But even if they were in line with the demand of reducing 40-50% below 1990 levels, we would still have locked-in climate change and would still need to address the issue of loss and damage.

We find ourselves at a critical juncture and the situation is such that even the most ambitious emissions reductions by developed countries, who should have been taking the lead in combatting climate change in the past two decades, will not be enough to avert the crisis.

It is now too late, too late to talk about the world being able to rely on Annex I countries to solve the climate crisis. We have entered a new era that demands global solidarity in order to fight climate change and ensure that the pursuit of sustainable human development remains at the fore of the global community’s efforts. This is why means of implementation for developing countries is ever more crucial.

It was the Secretary-general of the UN Conference on Environment and Development, Earth Summit, Rio de Janeiro, 1992, Maurice Strong who said that “History reminds us that what is not possible today, may be inevitable tomorrow.”

We cannot sit and stay helpless staring at this international climate stalemate. It is now time to take action. We need an emergency climate pathway.

I speak for my delegation. But more than that, I speak for the countless people who will no longer be able to speak for themselves after perishing from the storm. I also speak for those who have been orphaned by this tragedy. I also speak for the people now racing against time to save survivors and alleviate the suffering of the people affected by the disaster.

We can take drastic action now to ensure that we prevent a future where super typhoons are a way of life. Because we refuse, as a nation, to accept a future where super typhoons like Haiyan become a fact of life. We refuse to accept that running away from storms, evacuating our families, suffering the devastation and misery, having to count our dead, become a way of life. We simply refuse to.

We must stop calling events like these as natural disasters. It is not natural when people continue to struggle to eradicate poverty and pursue development and get battered by the onslaught of a monster storm now considered as the strongest storm ever to hit land. It is not natural when science already tells us that global warming will induce more intense storms. It is not natural when the human species has already profoundly changed the climate.

Disasters are never natural. They are the intersection of factors other than physical. They are the accumulation of the constant breach of economic, social, and environmental thresholds.

Most of the time disasters are a result of inequity and the poorest people of the world are at greatest risk because of their vulnerability and decades of maldevelopment, which I must assert is connected to the kind of pursuit of economic growth that dominates the world. The same kind of pursuit of so-called economic growth and unsustainable consumption that has altered the climate system.

Now, if you will allow me, to speak on a more personal note.

Super Typhoon Haiyan made landfall in my family’s hometown and the devastation is staggering. I struggle to find words even for the images that we see from the news coverage. I struggle to find words to describe how I feel about the losses and damages we have suffered from this cataclysm.

Up to this hour, I agonize while waiting for word as to the fate of my very own relatives. What gives me renewed strength and great relief was when my brother succeeded in communicating with us that he has survived the onslaught. In the last two days, he has been gathering bodies of the dead with his own two hands. He is hungry and weary as food supplies find it difficult to arrive in the hardest-hit areas.

We call on this COP to pursue work until the most meaningful outcome is in sight. Until concrete pledges have been made to ensure mobilisation of resources for the Green Climate Fund. Until the promise of the establishment of a loss and damage mechanism has been fulfilled. Until there is assurance on finance for adaptation. Until concrete pathways for reaching the committed 100 billion dollars have been made. Until we see real ambition on stabilizing greenhouse gas concentrations. We must put the money where our mouths are.

This process under the UNFCCC has been called many names. It has been called a farce. It has been called an annual carbon-intensive gathering of useless frequent flyers. It has been called many names. But it has also been called “The Project To Save The Planet”. It has been called “Saving Tomorrow Today”. We can fix this. We can stop this madness. Right now. Right here, in the middle of this football field.

I call on you to lead us. And let Poland be forever known as the place we truly cared to stop this madness. Can humanity rise to the occasion? I still believe we can.

Finally, in April 2019, Greta spoke at the Houses of Parliament in the UK. Here she gave this powerful climate change speech to the UK’s political leaders:

YouTube video

Transcript of Greta’s Climate Change Speech

Here is the full transcript of Greta’s climate change speech:

My name is Greta Thunberg. I am 16 years old. I come from Sweden. And I speak on behalf of future generations.

I know many of you don’t want to listen to us – you say we are just children. But we’re only repeating the message of the united climate science.

Many of you appear concerned that we are wasting valuable lesson time, but I assure you we will go back to school the moment you start listening to science and give us a future. Is that really too much to ask?

In the year 2030, I will be 26 years old. My little sister Beata will be 23. Just like many of your own children or grandchildren. That is a great age, we have been told. When you have all of your life ahead of you. But I am not so sure it will be that great for us.

I was fortunate to be born in a time and place where everyone told us to dream big. I could become whatever I wanted to. I could live wherever I wanted to. People like me had everything we needed and more. Things our grandparents could not even dream of. We had everything we could ever wish for and yet now we may have nothing.

Now we probably don’t even have a future anymore.

Because that future was sold so that a small number of people could make unimaginable amounts of money. It was stolen from us every time you said that the sky was the limit and that you only live once.

You lied to us. You gave us false hope. You told us that the future was something to look forward to. And the saddest thing is that most children are not even aware of the fate that awaits us. We will not understand it until it’s too late. And yet we are the lucky ones. Those who will be affected the hardest are already suffering the consequences. But their voices are not heard.

Is my microphone on? Can you hear me?

Around the year 2030, 10 years 252 days and 10 hours away from now, we will be in a position where we set off an irreversible chain reaction beyond human control, that will most likely lead to the end of our civilisation as we know it. That is unless, in that time, permanent and unprecedented changes in all aspects of society have taken place, including a reduction of CO 2 emissions by at least 50%.

And please note that these calculations are depending on inventions that have not yet been invented at scale, inventions that are supposed to clear the atmosphere of astronomical amounts of carbon dioxide.

Furthermore, these calculations do not include unforeseen tipping points and feedback loops like the extremely powerful methane gas escaping from rapidly thawing arctic permafrost.

Nor do these scientific calculations include already locked-in warming hidden by toxic air pollution. Nor the aspect of equity – or climate justice – clearly stated throughout the Paris Agreement, which is absolutely necessary to make it work on a global scale.

We must also bear in mind that these are just calculations. Estimations. That means that these “points of no return” may occur a bit sooner or later than 2030. No one can know for sure. We can, however, be certain that they will occur approximately in these timeframes because these calculations are not opinions or wild guesses.

These projections are backed up by scientific facts, concluded by all nations through the IPCC. Nearly every single major national scientific body around the world unreservedly supports the work and findings of the IPCC.

Did you hear what I just said? Is my English OK? Is the microphone on? Because I’m beginning to wonder.

During the last six months, I have travelled around Europe for hundreds of hours in trains, electric cars, and buses, repeating these life-changing words over and over again. But no one seems to be talking about it, and nothing has changed. In fact, the emissions are still rising.

When I have been travelling around to speak in different countries, I am always offered help to write about the specific climate policies in specific countries. But that is not really necessary. Because the basic problem is the same everywhere. And the basic problem is that basically nothing is being done to halt – or even slow – climate and ecological breakdown, despite all the beautiful words and promises.

The UK is, however, very special. Not only for its mind-blowing historical carbon debt but also for its current, very creative, carbon accounting.

Since 1990 the UK has achieved a 37% reduction of its territorial CO 2 emissions, according to the Global Carbon Project. And that does sound very impressive. But these numbers do not include emissions from aviation, shipping, and those associated with imports and exports. If these numbers are included the reduction is around 10% since 1990 – or an average of 0.4% a year, according to Tyndall Manchester. And the main reason for this reduction is not a consequence of climate policies, but rather a 2001 EU directive on air quality that essentially forced the UK to close down its very old and extremely dirty coal power plants and replace them with less dirty gas power stations. And switching from one disastrous energy source to a slightly less disastrous one will of course result in a lowering of emissions.

But perhaps the most dangerous misconception about the climate crisis is that we have to “lower” our emissions. Because that is far from enough.

Our emissions have to stop if we are to stay below 1.5-2 ° C of warming. The “lowering of emissions” is of course necessary but it is only the beginning of a fast process that must lead to a stop within a couple of decades or less. And by “stop” I mean net-zero – and then quickly on to negative figures. That rules out most of today’s politics.

The fact that we are speaking of “lowering” instead of “stopping” emissions is perhaps the greatest force behind the continuing business as usual. The UK’s active current support of new exploitation of fossil fuels – for example, the UK shale gas fracking industry, the expansion of its North Sea oil and gas fields, the expansion of airports as well as the planning permission for a brand new coal mine – is beyond absurd.

This ongoing irresponsible behaviour will no doubt be remembered in history as one of the greatest failures of humankind.

People always tell me and the other millions of school strikers that we should be proud of ourselves for what we have accomplished. But the only thing that we need to look at is the emission curve. And I’m sorry, but it’s still rising. That curve is the only thing we should look at.

Every time we make a decision we should ask ourselves; how will this decision affect that curve? We should no longer measure our wealth and success in the graph that shows economic growth, but in the curve that shows the emissions of greenhouse gases. We should no longer only ask: “Have we got enough money to go through with this?” but also: “Have we got enough of the carbon budget to spare to go through with this?” That should and must become the centre of our new currency.

Many people say that we don’t have any solutions to the climate crisis. And they are right. Because how could we? How do you “solve” the greatest crisis that humanity has ever faced? How do you “solve” a war? How do you “solve” going to the moon for the first time? How do you “solve” inventing new inventions?

The climate crisis is both the easiest and the hardest issue we have ever faced. The easiest because we know what we must do. We must stop the emissions of greenhouse gases. The hardest because our current economics are still totally dependent on burning fossil fuels, and thereby destroying ecosystems in order to create everlasting economic growth.

“So, exactly how do we solve that?” you ask us – the schoolchildren striking for the climate.

And we say: “No one knows for sure. But we have to stop burning fossil fuels and restore nature and many other things that we may not have quite figured out yet.”

Then you say: “That’s not an answer!”

So we say: “We have to start treating the crisis like a crisis – and act even if we don’t have all the solutions.”

“That’s still not an answer,” you say.

Then we start talking about circular economy and rewilding nature and the need for a just transition. Then you don’t understand what we are talking about.

We say that all those solutions needed are not known to anyone and therefore we must unite behind the science and find them together along the way. But you do not listen to that. Because those answers are for solving a crisis that most of you don’t even fully understand. Or don’t want to understand.

You don’t listen to the science because you are only interested in solutions that will enable you to carry on like before. Like now. And those answers don’t exist anymore. Because you did not act in time.

Avoiding climate breakdown will require cathedral thinking. We must lay the foundation while we may not know exactly how to build the ceiling.

Sometimes we just simply have to find a way. The moment we decide to fulfil something, we can do anything. And I’m sure that the moment we start behaving as if we were in an emergency, we can avoid climate and ecological catastrophe. Humans are very adaptable: we can still fix this. But the opportunity to do so will not last for long. We must start today. We have no more excuses.

We children are not sacrificing our education and our childhood for you to tell us what you consider is politically possible in the society that you have created. We have not taken to the streets for you to take selfies with us, and tell us that you really admire what we do.

We children are doing this to wake the adults up. We children are doing this for you to put your differences aside and start acting as you would in a crisis. We children are doing this because we want our hopes and dreams back.

I hope my microphone was on. I hope you could all hear me.

Hopefully, these climate change speeches will encourage you to take action in your local community. If you need more inspiration then head to my post on the best TED Talks on climate change , my guide to the best YouTube videos on climate change , and the sustainability poems to inspire you.

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argumentative speech about global warming

Wendy Graham is a sustainability expert and the founder of Moral Fibres, where's she's written hundreds of articles on since starting the site in 2013. She's dedicated to bringing you sustainability advice you can trust.

Wendy holds a BSc (Hons) in Environmental Geography and an MSc (with Distinction) in Environmental Sustainability - specialising in environmental education.

As well as this, Wendy brings 17 years of professional experience working in the sustainability sector to the blog.

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The Center for Global Studies

Climate change argumentation.

Carmen Vanderhoof, Curriculum and Instruction, College of Education, Penn State

Carmen Vanderhoof is a doctoral candidate in Science Education at Penn State. Her research employs multimodal discourse analysis of elementary students engaged in a collaborative engineering design challenge in order to examine students’ decision-making practices. Prior to resuming graduate studies, she was a secondary science teacher and conducted molecular biology research. 

  • Subject(s):  Earth Science
  • Topic:  Climate Change and Sustainability
  • Grade/Level:  9-12 (can be adapted to grades 6-8)
  • Objectives:  Students will be able to write a scientific argument using evidence and reasoning to support claims. Students will also be able to reflect on the weaknesses in their own arguments in order to improve their argument and then respond to other arguments.
  • Suggested Time Allotment:  4-5 hours (extra time for extension)

This lesson is derived from Dr. Peter Buckland’s sustainability  presentation for the Center for Global Studies . Dr. Peter Buckland, a Penn State alumnus, is a postdoctoral fellow for the Sustainability Institute. He has drawn together many resources for teaching about climate change, sustainability, and other environmental issues. 

While there are many resources for teaching about climate change and sustainability, it may be tough to figure out where to start. There are massive amounts of data available to the general public and students need help searching for good sources of evidence. Prior to launching into a search, it would be worthwhile figuring out what the students already know about climate change, where they learned it, and how they feel about efforts to reduce our carbon footprint. There are many options for eliciting prior knowledge, including taking online quizzes, whole-class discussion, or drawing concept maps. For this initial step, it is important that students feel comfortable to share, without engaging in disagreements. The main idea is to increase students’ understanding about global warming, rather than focus on the potential controversial nature of this topic.

A major goal of this unit is to engage students in co-constructing evidence-based explanations through individual writing, sharing, re-writing, group discussion, and whole group reflection. The argumentation format presented here contains claims supported by evidence and reasoning (Claims Evidence Reasoning – CER). Argumentation in this sense is different from how the word “argument” is used in everyday language. Argumentation is a collaborative process towards an end goal, rather than a competition to win (Duschl & Osborne, 2002). Scientific argumentation is the process of negotiating and communicating findings through a series of claims supported by evidence from various sources along with a rationale or reasoning linking the claim with the evidence. For students, making the link between claim and evidence can be the most difficult part of the process.

Where does the evidence come from?

Evidence and data are often used synonymously, but there is a difference. Evidence is “the representation of data in a form that undergirds an argument that works to answer the original question” (Hand et al., 2009, p. 129). This explains why even though scientists may use the same data to draw explanations from, the final product may take different forms depending on which parts of the data were used and how. For example, in a court case experts from opposing sides may use the same data to persuade the jury to reach different conclusions. Another way to explain this distinction to students is “the story built from the data that leads to a claim is the evidence” (Hand et al., 2009, p. 129). Evidence can come from many sources – results from controlled experiments, measurements, books, articles, websites, personal observations, etc. It is important to discuss with students the issue of the source’s reliability and accuracy. When using data freely available online, ask yourself: Who conducted the study? Who funded the research? Where was it published or presented? 

What is a claim and how do I find it?

A scientific claim is a statement that answers a question or an inference based on information, rather than just personal opinion.               

How can I connect the claim(s) with the evidence?

That’s where the justification or reasoning comes in. This portion of the argument explains why the evidence is relevant to the claim or how the evidence supports the claim.


Learning context and connecting to state standards.

This interdisciplinary unit can be used in an earth science class or adapted to environmental science, chemistry, or physics. The key to adapting the lesson is guiding students to sources of data that fit the discipline they are studying.

For  earth science , students can explain the difference between climate and weather, describe the factors associated with global climate change, and explore a variety of data sources to draw their evidence from.  Pennsylvania Academic Standards  for earth and space science (secondary): 3.3.12.A1, 3.3.12.A6, 3.3.10.A7.    

For  environmental science , students can analyze the costs and benefits of pollution control measures.  Pennsylvania Academic Standards  for Environment and Ecology (secondary): 4.5.12.C.          

For  chemistry  and  physics , students can explain the function of greenhouse gases, construct a model of the greenhouse effect, and model energy flow through the atmosphere.   Pennsylvania Academic Standards  for Physical Sciences (secondary): 3.2.10.B6.      

New Generation Science Standards (NGSS) Connections

Human impacts and global climate change are directly addressed in the NGSS.  Disciplinary Core Ideas  (DCI): HS-ESS3-3, HS-ESS3-4, HS-ESS3-5, HS-ESS3-6.     

Lesson 1: Introduction to climate change

  • What are greenhouse gases and the greenhouse effect? (sample answer: greenhouse gases like carbon dioxide and methane contribute to overall heating of the atmosphere; these gases trap heat just like the glass in a greenhouse or in a car) 
  • What is the difference between weather and climate? (sample answer: weather is the daily temperature and precipitation measurements, while climate is a much longer pattern over multiple years)

Drawing of the greenhouse effect  – as individuals or in pairs, have students look up the greenhouse effect and draw a diagram to represent it; share out with the class

  • Optional: figure out students’ beliefs about global warming using the Yale Six Americas Survey (students answer a series of questions and at the end they are given one of the following categories: alarmed, concerned, cautious, disengaged, doubtful, dismissive).

Lesson 2: Searching for and evaluating evidence

  • Compare different data sources and assess their credibility
  • Temperature
  • Precipitation
  • Storm surge
  • Ask the students to think about what types of claims they can make about climate change using the data they found (Sample claims: human activity is causing global warming or sea-level rise in the next fifty years will affect coastal cities like Amsterdam, Hong Kong, or New Orleans).

Lesson 3: Writing an argument using evidence

  • Claim – an inference or a statement that answers a question
  • Evidence – an outside source of information that supports the claim, often drawn from selected data
  • Reasoning –  the justification/support for the claim; what connects the evidence with the claim
  • Extending arguments –  have students exchange papers and notice the strengths of the other arguments they are reading (can do multiple cycles of reading); ask students to go back to their original argument and expand it with more evidence and/or more justification for why the evidence supports the claim
  • Anticipate Rebuttals  – ask students to think and write about any weaknesses in their own argument

Lesson 4: Argumentation discussion  

  • rebuttal  – challenges a component of someone’s argument – for example, a challenge to the evidence used in the original argument
  • counterargument  – a whole new argument that challenges the original argument
  • respect group members and their ideas
  • wait for group members to finish their turns before speaking
  • be mindful of your own contributions to the discussion (try not to take over the whole discussion so others can contribute too; conversely, if you didn’t already talk, find a way to bring in a new argument, expand on an existing argument, or challenge another argument)  
  • Debate/discussion  – In table groups have students share their arguments and practice rebuttals and counterarguments
  • Whole-group reflection  – ask students to share key points from their discussion

Lesson 5: Argumentation in action case study

Mumbai, india case study.

Rishi is a thirteen year old boy who attends the Gayak Rafi Nagar Urdu Municipal school in Mumbai. There is a massive landfill called Deonar right across from his school. Every day 4,000 tons of waste are piled on top of the existing garbage spanning 132 hectares (roughly half a square mile). Rishi ventures out to the landfill after school to look for materials that he can later trade for a little bit of extra money to help his family. He feels lucky that he gets to go to school during the day; others are not so lucky. One of his friends, Aamir, had to stop going to school and work full time after his dad got injured. They often meet to chat while they dig through the garbage with sticks. Occasionally, they find books in okay shape, which aren’t worth anything in trade, but to them they are valuable.

One day Rishi was out to the market with his mom and saw the sky darken with a heavy smoke that blocked out the sun. They both hurried home and found out there was a state of emergency and the schools closed for two days. It took many days to put out the fire at Deonar. He heard his dad say that the fire was so bad that it could be seen from space. He wonders what it would be like to see Mumbai from up there. Some days he wishes the government would close down Deonar and clean it up. Other days he wonders what would happen to all the people that depend on it to live if the city shuts down Deonar.

Mumbai is one of the coastal cities that are considered vulnerable with increasing global temperature and sea level rise. The urban poor are most affected by climate change. Their shelter could be wiped out by a tropical storm and rebuilding would be very difficult.

Write a letter to a public official who may be able to influence policy in Mumbai.

What would you recommend they do? Should they close Deonar? What can they do to reduce air pollution in the city and prepare for possible storms? Remember to use evidence in your argument.  

If students want to read the articles that inspired the case study direct them to:


  • Lines of Evidence  video  from the National Academies of Sciences, Engineering, and Medicine  
  • Climate Literacy and Energy Awareness Network  (CLEAN) 
  • Climate maps  from the National Oceanic and Atmospheric Administration
  • Sources of data from  NASA
  • Explore the original source of the  Proceedings of the National Academies of Sciences (PNAS) study

Differentiated Instruction

  • For visual learners – use diagrams, encourage students to map out their arguments prior to writing them
  • For auditory learners – use the lines of evidence video
  • For ESL students – provide them with a variety of greenhouse gases diagrams, allow for a more flexible argument format and focus on general meaning-making – ex. using arrows to connect their sources of evidence to claims
  • For advanced learners – ask them to search through larger data sets and make comparisons between data from different sources; they can also research environmental policies and why they stalled out in congress 
  • For learners that need more support – print out excerpts from articles; pinpoint the main ideas to help with the research; help students connect their evidence with their claims; consider allowing students to work in pairs to accomplish the writing task 

Argument write-up  – check that students’ arguments contain claims supported by evidence and reasoning and that they thought about possible weaknesses in their own arguments. 

Case study letter  – check that students included evidence in their letter.


Duschl, R. A., & Osborne, J. (2002). Supporting and promoting argumentation discourse in science education.

Hand, B. et al. (2009) Negotiating Science: The Critical Role of Argumentation in Student Inquiry. Portsmouth, NH: Heinemann.

McNeill, K. L., & Krajcik, J. (2012). Claim, evidence and reasoning: Supporting grade 5 – 8 students in constructing scientific explanations. New York, NY: Pearson Allyn & Bacon.

Sawyer, R. K. (Ed.). (2014). The Cambridge handbook of the learning sciences. New York, NY: Cambridge University Press.

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  • Global Warming Speech for Students in English


Global Warming Speech for Students: Raise Your Voice for the Planet

In a Global Warming Speech, one can address that Global warming has been one of the leading causes of concern and is proving to be a threat since the beginning of the industrialization era. Global warming as the name suggests is the rise in global temperature that causes an imbalance in temperature due to human activities of emitting harmful gasses predominantly in the atmosphere. Here, we will go through  a Long Global Warming Speech and Short Global Warming Speech, covering the important features of global warming.

Long Global Warming Speech in English

This format of Global Warming Speech is useful for students in grades 8-12, as they can explain the meaning, causes, and effects as well as ways to prevent it in a simple language.

Good Morning everyone, today I ( mention your name) will share my views on the alarming issue of Global Warming. The concern has only grown due to industrialization and man’s attempt at modernizing the style of living. 

Let’s first understand what global warming is, it is basically the rise in global temperature due to the greenhouse gasses that are released into the atmosphere due to human activities or inventions. The greenhouse gasses consist of water vapor, carbon dioxide, methane, nitrous oxide, ozone, and chlorofluorocarbons. 

The human activities that contribute to the release of such gasses are due to burning fossil fuels to generate electricity which is also the leading cause of carbon pollution and coal industries contribute a great deal in releasing such harmful gasses. So when these glasses are released into the atmosphere, they tend to absorb the solar radiation that otherwise naturally bounces of the earth’s surface, and these pollutants that trap solar radiation suspends in the atmosphere for centuries and raises the global temperature this is called the greenhouse gas effect, causing to dry up oceans, polluting the air, ice loss at North and South Poles and melting of glaciers, and leads to climate changes like storms, heatwaves, wildfires, hurricanes, droughts, and floods these extreme conditions are only depleting the earth’s ability to inhabit life. And the threat will only increase in the coming years which will make it difficult for future generations to inherit a sustainable planet. 

This disruption of habitats due to climate change is the consequence of Global Warming and if one wishes to curb this deadly cause that is threatening every habitat on Earth we should take steps together along with the government. We have to understand that all the global warming reasons are due to environmental pollution so the first steps have to be taken to control them and that will inevitably affect curbing global warming. The pollution has to be controlled by all fronts, mainly air pollution, so one can start using energy-efficient appliances and drive a fuel-efficient vehicle that will reduce the harmful release of gasses into the atmosphere to a tremendous extent. And whenever possible take a bicycle ride to work or for pleasure. 

The government is also taking action by introducing electric cars. Since all the other causes are due to burning fossil fuels to provide electricity, we can do our bit by being responsible for the use of electricity in our day to day life, like buying bulbs that will use energy to do the same work, and we can also pull the plug when not in use. The other way is to power our houses with renewable energy and reduce our electricity consumption and bills. You can effectively start doing this today by spreading this message to near and dear ones and help reduce Global Warming and thus conserving our planet. Speak up and make a difference.

Short Speech on Global Warming

This type of Global Warming Speech is useful for students in grades 4-7.

Good Morning everyone, I Abc ( mention your name) first want to thank you for this wonderful opportunity to allow me to share my views on the leading causes of concern in the past decades due to industrialization and the ever-increasing need to be a money driving machine the man has become i.e  Global Warming. This cause has become a threat and has led to devastating consequences. Global Warming is caused due to greenhouses gasses like carbon dioxide, methane, chlorofluorocarbons, and nitrous oxide which is released into the atmosphere due to man-made activities like burning fossil fuels for electricity, gasses released from vehicles, be it train or plane, and industries especially coal which contributes to majority or carbon pollution that destroys the ozone layer in the atmosphere which allows absorption and passing of harmful solar radiation into earth’s atmosphere. This increases the average global temperature due to trapped gasses in the atmosphere that have existed for many centuries. This causes a rise in global temperature and disrupts all habitats. Global warming leads to serious climate change that has caused catastrophic effects like hurricanes, melting glaciers, drastic change in rainfall patterns, depletion of the ozone layer that puts so many beings at harm as they are constantly exposed to UV rays that causes many diseases, droughts, floods, heatwaves, storms. The ecosystem is disrupted and causing harm to the animal, agriculture, and humans. It is upon us to start acting responsibly for the conservation of the only planet that supports life, and one can do that by using renewable energy 

In all possible ways of day to day activities and use biodegradable matter to lead a sustainable living. 

10 Line Global Warming Speech In English

This type of Global Warming Speech is useful for students in grades 1-3 as they gain a certain perspective on the topic in a simple and easy form.

Global warming is not a recent phenomenon, it has been a concern since the pre-industrialization era, but the threat is only increasing as the years go by.

Global warming is the rise in the average temperature of the globe because the bodies that regulate the temperature like air, water, and nature are being harmed and polluted.

Pollution is caused due to an increase in population and their greed to lead a convenient life.

The main causes are carbon emissions, via coal industries, vehicles, trains, airplanes, factories, burning of fossil fuels, etc.

When such harmful emissions are released into the air the protecting layers like ozone starts depleting and this allows the entry of harmful solar rays to the atmosphere and thus the rise in temperature.

The increase in threat due to global warming is because of its catastrophic effects.

This then leads to climate changes and disrupts everything by causing unnatural effects like melting of glaciers, rise in sea level, hurricanes, droughts, floods.

The rainfall pattern changes have only worsened the agricultural lands and hence the vegetation.

We need to make everyday changes to curb the effects of climate changes by using renewable sources of energy be it solar or wind for electricity and other needs.

We have to start living sustainably to conserve our natural resources and planet.

Climate Crisis Chronicles: Unraveling the Impact on Glaciers, Weather, and Ecosystems

Melting Ice: Giants like glaciers are shrinking, raising sea levels. Imagine your favorite beach disappearing!

Wild Weather: Heat waves, droughts, floods, and stronger storms become more common, messing with crops and homes.

Ecosystem Overload: Plants and animals struggle to adapt to the changing climate, leading to extinctions and disrupted food chains.

It's not just about polar bears and penguins, though. These changes can threaten our food supplies, clean water, and even our health. And guess what? We, the humans, are the main reason for this mess.

Here's how we can build a healthier future:

Be energy detectives: Turn off lights and electronics when not in use. Shorten showers and unplug chargers. Every watt saved helps!

Fuel-efficiency champions: Walk, bike, or take public transport whenever possible. And when you must ride, choose fuel-efficient vehicles.

Tree-mendous warriors: Plant trees! They suck up carbon dioxide, a major greenhouse gas. Turn your schoolyard into a mini-forest!

Waste Warriors: Recycle, compost, and avoid single-use plastics. Less waste means less pollution in the air and landfills.

Voice of Change: Talk to your family, friends, and teachers about climate change. Share your passion, spread awareness, and inspire others to join the fight!

Remember, small actions multiplied by millions of people can create a huge impact. It's not about being perfect; it's about making conscious choices every day.


This global warming speech for students provides a simple and engaging explanation of the issue, its impacts, and practical ways to make a difference. Remember, empowering students to be informed and active participants in protecting our planet is crucial for a sustainable future. So, let's get out there, raise our voices, and cool down our planet!

The future is in our hands, and together, we can make it cool!


FAQs on Global Warming Speech for Students in English

1. How do we learn the Global Warming Speech for Students in English?

Students need to prepare a draft of what they are going to talk about on the given topic. Students might find it a little difficult to learn the entire speech word by word, hence they can create a draft on the crux of the content of the speech. Along with that, they can make short notes on the important keywords, phrases and sentences which could help them earn brownie points! They must brace themselves while being able to convey their intentions of communicating with the audience in a strong and simple manner. So students can also practice their speech in front of the mirror which will help curb the fear of forgetting the speech.

2. What are the points we need to remember while writing the Global Warming Speech for Students in English?

The audience expects the speaker to be more articulate and less verbose. When it comes to topics like Global Warming, factual data, the causes/reasons, the impact and the future consequences are the ultimate points of concern. So while writing the speech, the language used must be kept very simple yet impactful. The speech must ensure that the speaker takes the audience on the path leading to the situation and reaching the destination. The speech should also convey the message on why the speaker wishes to let the others know his/her thoughts and how the other can understand and follow the footprints without distractions. Students can follow Vedantu for more strategies which are available in PDF format for free.

3. What should the students not include while writing a speech on Global Warming?

The speech should not contain long sentences. Every sentence must be crisp and clear so that the audience knows what the student wishes to say. Keep in mind the grammar used in the language which should always be written in first person while addressing the audience. The message must be crystal clear without beating around the bush. The structure must be very organized and should be in flow. Do not digress from the points which can disrupt the flow. The length of the speech must not be too long so mention only relevant facts and figures if needed.

4. How should we structure the Global Warming speech?

Here is how we should organize the whole speech:

Introduction - Introduce the speech using a quote on some famous personality and elaborate on ‘What’ the topic is all about.

Causes - This is an important section in which students must talk about the reasons for Global Warming or why it occurs like industries, use of ACs, air pollution, water pollution, etc.

Impact - This answers the ‘How’ or the impact of Global Warming on the climate and the people

Effects - Students must discuss the after effects of Global Warming like rise in sea level, melting of ice caps, the climate becoming hotter or colder in respective places, etc.

Conclusion- Here students can discuss the solutions of curbing Global Warming like use of solar power, protection of forests, biofuel using organic waste, etc.

5. How do we remove the fear of stage while practicing the speech?

Stage fright is often the cause of students forgetting their speeches or missing out on the important points while facing a huge audience. This could lead to deduction of marks. There are two ways in which a student can practice their speech:

After completing the writing of the speech, they can read out loud the whole speech while keeping their ears and eyes wide open. Keeping the sense alert is very important. 

Students can then practice while standing in front of the mirror and project their confidence and imagine themselves on stage.



blog ted head2

7 of the Best TED Talks about Climate Change

Imagine being able to invite some of the leading minds of the climate movement over for dinner. You could pick anyone from anywhere. Who would be sitting around your table?

It’s hard to narrow down when there are so many amazing people out there fighting for solutions. (This must have been how Nick Fury felt while he was assembling the Avengers, right?) But, for us, we would try to pick people who are taking on the climate crisis in totally different – but equally incredible – ways.

Think of this collection of TED Talks as our guest list for the world’s most inspiring dinner party on climate. Read on to hear from the leader of the student strike movement, climate scientists, a former president, a trained meteorologist and more.

Greta Thunberg: “S ave the W orld by C hanging the R ules ”  

Quotable Moment: “The year 2078, I will celebrate my 75th birthday. If I have children or grandchildren, maybe they will spend that day with me. Maybe they will ask me about you, the people who were around, back in 2018. Maybe they will ask why you didn't do anything while there still was time to act. ”

Dr. Katharine Hayhoe: “ The Most Important Thing You Can Do to Fight Climate Change: Talk About It”  

Quotable Moment: “I truly believe, after thousands of conversations that I've had over the past decade and more, that just about every single person in the world already has the values they need to care about a changing climate . They just haven't connected the dots. And that's what we can do through our conversation with them.”

Dr. J. Marshall Shepherd: “Three Kinds of Bias that Shape Your Worldview”  

Quotable Moment: “Take an inventory of your own biases. Where do they come from? Your upbringing, your political perspective, your faith – what shapes your own biases? Then, evaluate your sources – where do you get your information on science ? What do you read, what do you listen to, to consume your information on science? And then, it's important to speak out. Talk about how you evaluated your biases and evaluated your sources.”

Former President of Ireland Mary Robinson: “Why Climate Change Is a Threat to Human Rights”  

Quotable Moment: “Climate justice responds to the moral argument – both sides of the moral argument – to address climate change. First of all, to be on the side of those who are suffering most and are most effected. And secondly, to make sure that they're not left behind again, when we start to move and start to address climate change with climate action, as we are doing.”

Dr. Katharine Wilkinson: “How Empowering Women and Girls Can Help Stop Global Warming”  

Quotable Moment: “Another empowering truth begs to be seen. If we gain ground on gender equity, we also gain ground on addressing global warming… we can secure the rights of women and girls, shore up resilience, and avert emissions at the same time.”

Sean Davis: “Lessons from How We Protected the Ozone Layer”  

Quotable Moment: “We don't need absolute certainty to act. When Montreal was signed, we were less certain then of the risks from CFCs than we are now of the risks from greenhouse gas emissions… You know, I'll bet those of you who drove here tonight, you probably wore your seat belt. And so, ask yourself, did you wear your seat belt because someone told you with a hundred percent [certainty] that you would get in a car crash on the way here? Probably not.”

Former US Vice President Al Gore: “The Case for Optimism on Climate Change”  

Quotable Moment: “We have everything we need. Some still doubt that we have the will to act, but I say the will to act is itself a renewable resource. ”

Feeling Inspired?

It’s not exactly a dinner party, but we do often pull together some of the leading minds in the climate movement – including former Vice President Gore himself – for our Climate Reality Leaderships Corps trainings . (In fact, we’ve had Dr. Hayhoe and Dr. Wilkinson at recent trainings, too!)

Consider this your official invite to our next training . At these events, people ready to make a difference in our planet’s future spend three days working with former Vice President Gore and world-renowned scientists and communicators learning about the climate crisis and how together we can solve it.

Join us and walk away knowing you have the skills, network, and resources to push the needle on climate change where you live. Better yet, you’ll be part of a global, twenty-first century movement for solutions. Learn more and apply to join us today!

Header Image: © 2018 TED Conference/Flickr CC BY NC-ND 2.0

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Global Warming Persuasive Speech Outline

  • Categories: Global Warming

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Published: Mar 14, 2024

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argumentative speech about global warming

Persuasive Essay Sample: Global Warming

16 December, 2020

9 minutes read

Author:  Kate Smith

What is a secret to successful persuasive essay writing? There are two main things to look out for: a proper knowledge base from our HandMade Writing blog, and an excellent essay sample that demonstrate how to apply all the knowledge in writing. Here is a top-notch sample you can use. We hope it'll guide in your writing!

essay sample

Global Warming: Causes and Mitigation

It is an indisputable truth that global warming has become a major challenge. It’s a cause of worry for humans who are at risk of extinction, bearing in mind the rate of continual rise of the earth’s average temperature. Besides, it is even more worrisome that some governments are yet to come to terms with an obvious fact. The fact is that global warming poses a serious threat to humans and requires urgent action.

essay on global warming

This phenomenon undermines food and water security. With environmental sustainability issues and disruption of a delicate balance of the ecosystem, climate change becomes inevitable. And above all, its dire consequences are dreadful.

What Experts Say

According to World Bank sources, the Millennium Development Goals MDGs and its prospects are also threatened by global climate changes. The resulting changes in weather “such as shifts in the intensity and pattern of rainfall and variations in temperature” would probably decrease agricultural/food output as a result of the death of the infrastructure. Hence environmental disasters, like drought or flood, would displace people’s means of livelihood leading to poverty, migration and diseases. (World Bank, 2010).

Related Post: How to Write a Persuasive essay

Global warming is indeed a major challenge for the world today. Although the figures may vary between regions, most people all over the world agree that it is a serious problem requiring urgent attention. For instance, the World Bank 2010 development Indicators puts it succinctly:

“The poorest countries and regions face the greatest danger. Africa – with the most rain-fed agricultural land of any continent, half its population without access to improved water sources, and about 70 percent without access to improved sanitation facilities – is particularly vulnerable to climate change”. (World Bank, 2010).

In the United States, the views are “divided along ideological lines.” The Pew Research Center’s 2009 survey on global warming discovered that between the liberals and the conservatives, the former agree more than twice that global warming is a severe problem (about 66% vs. 30%)”. According to that survey, a similar divide is also evident in Britain. With those on the political left and those on the right putting a severity rate of 66% and 42% respectively. Germany, Spain and France have smaller ideological splits (Pew Research Center, 2009).

The world is already experiencing the effects of this warming with rising sea levels when the surface temperature warms up. As a result, it is melting ice from the glaciers, bringing severe heat waves and dangerous storms. Even drought, desertification and perceived extinction of animal life goes a long way to show that global warming is not just a hoax.

climate change and global warming shown through arctic ice melting sample

Notably, scientists believe these are mostly caused by man’s activities. Including the burning of fossil fuels thus, “releasing carbon dioxide, CO 2 that traps heat within the atmosphere”. (World Health Organization, 2007). Also, according to WHO source:

“the Earths’ surface has warmed by more than 0.8 o C over the past century and by approximately 0.6 o C in the previous three decades.” With the continuous emissions of CO 2 , it is projected that the surface temperature will “rise by 1.1 o C to 6.4 o C over the 21 st century”. (World Health Organization, 2007).

GreenHouse Gas, GHGs – causes of global warming are emitted in various ways apart from the combustion of fossil fuels in car. The CO 2  gas is “also released in landfills and agriculture (especially from the digestive systems of grazing animals). This is not to mention nitrous oxide from fertilizers, gases used for refrigeration and industrial processes, and the loss of forests that would otherwise store CO 2 ”.

Evidently, carbon dioxide is the highest cause of global warming among other greenhouse gases which also include methane, nitrous oxide, and some other artificial gases. In particular, this has been on the increase as a result of industrialization and commercialization. Especially in China, the United States, the Russian Federation, India and Japan – the world’s highest emitters of carbon dioxide. (World Bank, 2010)

What’s the Solution?

Obviously, the activities of a man with regards to contributing to global warming are overwhelming and substantial. But they are also caused by natural influences such as solar and volcanic activities.

The importance of mitigating the effects of global warming therefore cannot be overemphasized. The consequence of not doing this could be very devastating. While the majority of the world leaders agree with the fact that global warming is indeed a global challenge. They are, however, divided on the method of tackling this menace or “which country is trusted to do the right thing on this issue” (Pew Research Center, 2009).

You may order a persuasive essay on this topic in a couple of clicks – our professional essay writers are always ready to help you!

The United Nations has been spearheading moves towards tackling the menace of climate change. The Copenhagen Conference on climate change further raised the awareness to a high level and the desire to tackle the menace. It later invented what is now known as the “Copenhagen Accord.” While the agreements were lauded by many as a significant success, many others doubted the practical application.

But what the conference achieved which is seen as a bold step towards ending the menace of global warming was the resolution of developed countries to reduce greenhouse gas emissions. All this while adapting to the effects and providing finance for doing this. The conference also agreed on a long-term plan of keeping the temperature below 2 degrees Celsius.

Whether these resolutions will be adhered to remains to be seen. However, there are things we can do as individuals to reduce the rate of emission of greenhouse gases and the effects of climate change.

Indeed, attitudinal change is the key to achieving this and being more environmentally friendly. Specifically, practical steps include the use of recyclable products and buying goods with minimal packaging. Eventually, this action will reduce waste once the world recovers by energy-efficient products, less energy use, heat abd air leakages prevention. Besides, driving less and walking or riding to school and work, are also optimal actions for effective preservation of the planet. That not only reduces the emission of carbon-dioxide but also keeps you physically fit.

Also, to further reduce the emission of greenhouse gases, one can plant trees. That is a very effective way of cutting down carbon-dioxide, since during photosynthesis, they (trees) use-up carbon-dioxide and give out oxygen. In addition, one can include conservation of water and encouragement of others to adopt environmentally friendly practices to protect our future.

Admittedly, governments at all levels should adopt long term measures towards sustainable energy and encourage their citizens to “go green”. The role of sustainable energy education here cannot be overemphasized since it would increase the awareness of global warming. Moreover, this initiative will gradually re-orientate the masses and make them more environmental friendly. Ultimately, they should implement plans and international agreements on reduction of carbon dioxide emissions.

Developed countries should assist developing countries to mitigate the effects of global warming. They should also implement adaptation measures to the adverse effect of climate change. A decisive action must be taken by all stakeholders to stop the way we pollute the environment. In the long run, it will preserve and handover a safe environment generations yet unborn.

We must all act. The time is now.


  • World Bank. (2010). 2010 World Bank Development Indicators. A World Bank publication. Retrieved from      
  • Pew Research Global Attitudes Project (2009). Global Warming Seen as a Major Problem Around the World Less Concern in the U.S., China and Russia. Retrieved from, Retrieved from
  • World health organization (2007). Global climate change: implications for international public health policy. Retrieved from

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argumentative speech about global warming

  • Environment
  • Climate change and energy
  • Climate change adaptation

Speech - Climate change: too true to be good

Speech by Sir James Bevan, Chief Executive of the Environment Agency Royal Society of Arts, 24 September 2018

Climate change speech by Sir James Bevan at the RSA


This speech takes twenty minutes, provided I don’t get heckled. But for those of you who are in a rush, here’s the short version of what I’m going to say:

  • Climate change is the biggest threat we face.
  • If we don’t tackle it the consequences are grim.
  • We can tackle it and we are. The three most important things we can do are to stop the activities that cause it; enhance our resilience to its effects; and talk about it.

Climate change is real

Say “climate change” and see how most people react. I find it’s a bit like “sustainable development”: a phrase at which many people quietly glaze over and switch off. So here’s the first point: Don’t switch off. Climate change isn’t just words. It is a real Thing. And man-made climate change is a very scary real thing.

The rise in global temperature over the last several decades is a matter of public record. There is an overwhelming scientific consensus that it can only be explained by one thing: the rise in greenhouse gas emissions caused by human activities.

Some people say that climate change is natural and we shouldn’t worry. The answer to that is that we have indeed had naturally-occurring climate change since the Earth was formed. But none of the natural causes of climate variation, from the Sun’s output, the tilt of the Earth, volcanic activity or emissions from rotting vegetation, can account for the warming we observe today. There is only one thing that can: the emissions from fossil fuels caused by human activities over the last two hundred years. The concentrations of carbon dioxide in our atmosphere have increased by nearly 30% since the beginning of the industrial revolution.

It’s not as bad as you think – it’s worse

Here’s another inconvenient truth. Not only is global warming happening, it may be speeding up. The 20 warmest years on record have all come since 1995. The five warmest years have all been in this decade, the 2010s. 2016 was the hottest year since records began.

And this year the UK had the joint hottest summer on record. It was extremely dry too – the driest across England since 1921. The Environment Agency’s hydrologists recorded exceptionally low river flows for five weeks in a row, reservoir stocks were at historic lows and soils in the North West were the driest on record.

The environment suffered badly: numerous species, habitats, birds, trees and aquatic life were affected by the hot conditions and high demand for water. The Environment Agency responded to a 330% increase in drought-related incidents as our teams acted to protect wildlife and rescue fish struggling due to low river flows and low oxygen. This kind of thing won’t happen every year. But it will happen more frequently, and it will happen worse. Most of us enjoyed this summer’s exceptional weather. But by 2040 it is likely there won’t be anything exceptional about summers like the one we have just had. The records will keep tumbling. Exceptional may be the new normal.

And just as the rate of temperature rise looks to be accelerating, so too does one of its main consequences: the rise in sea level. Over the last 20 years sea levels have risen at roughly twice the speed of the preceding 80 years.

It gets worse. While the international community has pledged to avoid a rise of more than 2°C in the average global temperature by 2100 compared with pre-industrial levels, many scientists think that the figure will be higher. The central scientific estimate now is that by 2100 global temperature will have risen by nearly twice the 2 degree figure - by around 3.5 °C.

Climate change has bad consequences

Second big point, and one that bears constant repetition: if we don’t tackle climate change, very bad things will happen.

“Global warming” is another of those deceptive phrases. It doesn’t sound that threatening. Indeed to cold Brits shivering on our chilly northern island it sounds rather appealing. Who wouldn’t want a bit more sun and the weather a few degrees warmer? But the phrase is misleading because it doesn’t identify what will actually happen as the globe warms. The answer is that:

The tropics will be hotter and drier.

The higher latitudes, where the UK sits, will be hotter and wetter.

In Britain we will have hotter summers. By 2040, we expect more than half of our summers to exceed 2003 temperatures.

We will have wetter winters, and extreme rainfall events will become even more extreme. This is already happening. In 2015’s Storm Desmond, a gauge at Honister Pass in Cumbria recorded 341mm of rain in 24 hours, a new record: that rain caused some of the worst flooding in living memory. Last year’s flash floods at the Cornish coastal village of Coverack were caused by an extreme rainfall event which set a new UK record for 3-hour rainfall intensity. Half a mile offshore the rainfall intensity was 25% higher. It was only a fortuitous accident of nature that it didn’t make landfall.

Sea levels will rise significantly, perhaps by up to a metre in places by 2100, as waters warm and take up more space and our glaciers and land-based ice sheets melt. Sea level rise is particularly scary, because while other climate change-driven effects like extreme flooding or drought can do terrible harm, recovery from them is possible. But there is no recovery from a rising sea: it takes land, communities, infrastructure and everything else away forever.

All of these changes in climate will have consequences. They will mean:

More frequent and more extreme flooding and coastal erosion, caused by those wetter winters, heavier rain, stronger storms and rising sea levels. That threatens all of us, because floods destroy: lives, livelihoods, communities.

More water shortages and higher drought risk, caused by the hotter drier summers and less predictable rainfall. That could do deep damage to our economy and our environment.

More frequent and more extreme fires and wildfires, such as we saw in the UK and around the world this summer, often with terrible human cost.

More air and water pollution, due to those longer, hotter summers. That will threaten the living world of plants and animals, our wider environment and our own health.

More damage to wildlife and the habitat on which it depends. In many cases that damage may be existential. If we continue to emit greenhouse gases at the same rate as today, then by 2050 one million species across the globe are likely to vanish.

We in this country are particularly exposed to these effects. The UK sits at a weather crossroads, with a big water mass to the west, a large land mass to the south and the jet stream running over the top. Our location means we will experience more of this extreme weather than some others.

So don’t get comfortable. If we allow climate change to continue unchecked, England’s green and pleasant land will be neither green nor pleasant. And if sea levels rise significantly, there won’t be much of our land left either . Example: Lincolnshire. Much of that beautiful county is flat and low-lying. Quite a lot of it is a tidal floodplain. It is already at significant flood risk. 43 people lost their lives there in the great 1953 flood when a huge storm surge brought the sea crashing through the coastal defences. That’s why the Environment Agency has spent hundreds of millions of pounds improving and maintaining Lincolnshire’s sea walls and other coastal defences. And it’s worked: in 2013 there was a bigger East Coast storm surge than the one sixty years previously – and nobody died.

But as sea levels rise and the storms get fiercer, how much higher can we build the walls around our coasts? There’s a limit to what’s practical and affordable. And even if we build ever higher and stronger defences along the coastline, there’s another problem: our rivers.

Climate change means more rain is likely to fall more quickly into our rivers. So they will fill up quicker, and will flood the surrounding land unless they can rapidly discharge all that rainwater into the sea. But the higher tides and sea levels which climate change will also bring mean that precisely when we need our rivers to be better at discharging water to the sea, they will be less and less able to do so, because they will be increasingly tide-locked.

So we could have three nightmare future scenarios: one where high seas overwhelm our sea defences, a second where the rivers flood the land behind the defences, and a third – the worst of all – where both of these things happen together.

The result, if we fail to address these future risks, will be that many low lying parts of the country will be either permanently waterlogged, or flooded with such frequency as to be no longer habitable. In my Lincolnshire example, Skegness would be lost, Lincoln would be at the edge of a new wet fenland landscape, and much of the rest of the county would revert to marsh.

Am I exaggerating? No. I might even be underplaying the risk. A report from an international team of climate researchers which hit the headlines this summer warned of a “hothouse Earth” – the risk that without intervention we could cross a threshold leading to runaway climate change, with sea level rise up to 60m. That wouldn’t just make Lincolnshire and Britain history: it would make most of the Earth uninhabitable. That is why climate change is simply the biggest issue there is. It is the biggest threat out there to our economy, environment, health, way of life, our country, our world, and our future.

But disaster is not inevitable: we can tackle this problem

That’s enough bad news. The good news is that it doesn’t have to be like this. We can tackle this problem, if we act now. Because while some of the effects of climate change - temperatures increasing, sea levels rising, wetter winters, more violent weather – will continue for the next 30-40 years no matter what we do now, we can affect what happens after that.

We know what we need to do. It’s summed up by another two words that tend to make people switch off but which also really matter: mitigation and adaptation. Mitigation means addressing the causes of climate change, by reducing or stopping the human activities which are affecting the climate system, for example by cutting our emissions of greenhouse gases. Most of the UK’s emissions come from the way we produce and consume energy – from heating our buildings, driving our cars, manufacturing goods, watching our TVs or boiling our kettles. We can lower our emissions by becoming more energy efficient and switching to renewable or low-carbon fuels.

As a country we’ve made a good start on that. UK emissions are down 43% compared to 1990, while over the same period the economy has grown significantly. That’s really important: it shows that we can both tackle climate change and grow our economy. But most of these emission reductions have come from closing coal power stations and cleaning up heavy industry. That was the easy bit. It’s a lot harder to reduce emissions from transport, agriculture and buildings. That will require much greater use of renewable energy, and infrastructure to capture and store remaining carbon emissions. The quicker we can move ahead on all that the better.

Adaptation means making changes to prepare for, reduce and negate the effects of climate change, for example by building stronger sea defences to reduce the vulnerability of coastal communities. Other things we can and should be doing now include reducing water usage by cutting leakage and extending domestic metering; avoiding any unnecessary development in flood plains or on fast-eroding coastlines; and designing infrastructure that will be resilient to the more extreme weather we know is coming. There’s more good news. There is now a pretty broad consensus – at least in this country - on the need to do these things. The government gets it.

You can see that in the 25 Year Environment Plan launched this year by the Prime Minister and Michael Gove, which commits the government to take all possible action to mitigate climate change, including by continuing to cut greenhouse gas emissions; to adapt to reduce the impact of climate change; and to ensure that all government policies and investment decisions take it into account.

You can see that in the National Adaptation Programme issued by Defra in July, which sets out the actions the government will take over the next five years to help the country adapt to climate change; and which recognises that while we should continue to aim to keep global temperature rise well below 2° C, our resilience will only be robust if we prepare for worse scenarios.

And you can see it in the government’s new National Planning Policy Framework, which is explicit that all new development plans should “take a proactive approach to mitigating and adapting to climate change, taking into account the long-term implications for flood risk, coastal change, water supply, biodiversity and landscapes, and the risk of overheating from rising temperatures”.

The independent experts get it. The National Infrastructure Commission has recommended a national standard of flood protection for all communities to be achieved by 2050, a concept which the Environment Agency supports; and major investment to enhance water supply and reduce demand in order to tackle the long term drought risk which climate change threatens. We support that too.

The Green Finance Taskforce, composed of leading experts in academia, finance and civil society, has identified ways to encourage capital to move towards greener and cleaner sectors in the UK; and rightly framed this not as a cost but as a huge opportunity for investment, in particular in those sectors which are the backbone of the economy such as housing, transport, retail, utilities and industry.

Business increasingly gets it. The insurance companies are pricing climate change into their policies and looking to help their customers become more resilient to its effects, not least because that can cut insurance payouts when things like flooding happen. The water companies, energy companies, retail sector and others see the hard-nosed business sense in investing now for resilience later. All businesses need to be able to sustain their operations in a climate changed world, and to have confidence that when extreme weather hits, they will be the first back up and running.

The NGOs get it. Many of them, not just the environmental NGOs, are recognising that climate change poses the biggest threat to the things they and their members want to achieve, and are rightly challenging the rest of us to go further and faster in tackling it.

And - I hope you will agree - the Environment Agency itself gets it.

As regulators, we work every day with industry and the energy sector to reduce their greenhouse gas emissions. We are working with local authorities, planners and developers to create better places, designed for the climate we now anticipate. We are working with the water companies to manage the short term consequences of drought, as we have been doing this summer, and to ensure that the country will have better water security in the long term: last week I launched a new collaborative initiative with the leaders of the water industry to do precisely that.

We are building new flood defences up and down the country, explicitly designed for climate resilience. We are thinking long term about those defences. We design them with the latest climate change predictions in mind. And we build extra strong foundations beneath many of them so we can raise them as sea level and river flows rise. And despite their long design lives, we are already working on a replacement for many of them.

The Thames Barrier, which protects 125 square kilometres of central London, millions of people, and £200 billion worth of assets, is designed to sustain that protection against a changing climate till around 2070. But we are already planning its successor. I like to think of projects like the next Thames Barrier as the modern version of the great age of cathedral building. We will develop the plans and lay the foundations, and future generations will lift the spire.

The Environment Agency’s philosophy is that we should aim to do better than just surviving a changing climate: our aspiration is to help the country thrive in it. We can do that by working with the grain of the natural environment.

Example: the Medmerry flood defence scheme on the Sussex Coast. Instead of building an unsightly wall to protect the local community from rising seas we knocked a large hole in the shoreline to let the sea in so as to create a large new area of coastal wetland. That wetland is the flood defence: it absorbs the high tides safely. But it is also a new and beautiful wildlife habitat, now run by the RSBP as a bird sanctuary. It’s a great example of how you can turn the threat of climate change into an opportunity to create a better place.

We in the Environment Agency are also trying to walk the walk ourselves. We are reducing the carbon footprint from our own day to day operations year on year. Our £3bn Pension Fund is a leader in green finance. We have embedded climate risk into our pension investment strategy for well over a decade and have delivered outperformance.

Together with the Church of England’s investing bodies we founded the Transition Pathway Initiative, with the Paris climate goals at its heart. The TPI assesses how companies are preparing for the transition to a low-carbon economy and is supported by asset managers and owners with over £7 trillion of assets under management. And at Governor Brown’s Global Climate Action Summit earlier this month, it was announced that TPI’s insight will inform Climate Action 100+, a global investor initiative to engage with companies to drive climate action, supported by $31 trillion assets under management.

Perhaps more important still, the British public increasingly get it. More and more of the people I meet up and down the country tell me that they are seeing evidence of climate change happening in front of their eyes. Many of them then go on to say that all of us as individuals have a duty to what we can to tackle it.

Don’t underestimate the power of the people. We’ve seen an almost overnight change in behaviour in relation to plastics. We’re seeing something similar, if slower, in people’s attitude to water, with more and more of us taking care to use it wisely. It has become socially unacceptable to litter or to use throwaway plastic bags. It is increasingly socially unacceptable to waste water. The same thing can happen – and maybe is happening – with regard to behaviour which stokes climate change.

One last bit of good news: while it will cost a lot of money to respond successfully to climate change, we can afford it. Indeed, it’s the best investment we could possibly make. It would be much more expensive not to respond. And the economic benefits of mitigating and adapting to climate change – in terms of damage foregone, extra growth achieved through new investment and infrastructure, prosperity boosted through innovative technology - far outweigh the costs.

The scandal is not that climate change is made up. The scandal is that it’s not, and that while a lot is already being done to tackle it, we are still not doing all we could. Why is tackling changing climate not at the top of everyone’s agenda? Partly, no doubt, because most people have busy lives and other things to worry about. Partly because the effects of a changing climate tend to be invisible and incremental until they are suddenly catastrophic. And maybe too because of the words we use. Language matters. So here’s a final thought: if words like “climate change” and “global warming” have become a turn-off for most ordinary people, maybe we should change the words. Perhaps we should talk instead about what those things actually mean: killer weather, a world under water, and a mortgaged future.

Many people might not get out of bed to fight something that sounds vaguely technical and non-threatening called climate change. But pretty much all of us would do so to protect our loved ones, our homes and our livelihoods, and to build a better world. Conclusion: climate change is too true to be good. So let’s tell it like it is, let’s tackle it together, and let’s redouble our efforts. Over the last two hundred years humans have comprehensively demonstrated that they can change the climate – and we have changed it for the worse by doing the wrong things. Now let’s show we can change it for the better by doing the right things.

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Read Greta Thunberg's full speech at the United Nations Climate Action Summit

Teen environmental activist Greta Thunberg spoke at the United Nations on Monday about climate change, accusing world leaders of inaction and half-measures.

Here are her full remarks:

My message is that we'll be watching you.

This is all wrong. I shouldn't be up here. I should be back in school on the other side of the ocean. Yet, you all come to us young people for hope. How dare you!

You have stolen my dreams and my childhood with your empty words and yet I'm one of the lucky ones. People are suffering. People are dying. Entire ecosystems are collapsing. We are in the beginning of a mass extinction and all you can talk about is money and fairytales of eternal economic growth. How dare you!

For more than 30 years, the science has been crystal clear. How dare you continue to look away and come here saying that you're doing enough when the politics and solutions needed are still nowhere in sight.

You say you hear us and that you understand the urgency, but no matter how sad and angry I am, I do not want to believe that. Because if you really understood the situation and still kept on failing to act then you would be evil and that I refuse to believe.

The popular idea of cutting our emissions in half in 10 years only gives us a 50 percent chance of staying below 1.5 degrees and the risk of setting off irreversible chain reactions beyond human control.

Fifty percent may be acceptable to you, but those numbers do not include tipping points, most feedback loops, additional warming hidden by toxic air pollution or the aspects of equity and climate justice.

They also rely on my generation sucking hundreds of billions of tons of your CO2 out of the air with technologies that barely exist.

So a 50 percent risk is simply not acceptable to us, we who have to live with the consequences.

How dare you pretend that this can be solved with just business as usual and some technical solutions? With today's emissions levels, that remaining CO2 budget will be entirely gone within less than eight and a half years.

There will not be any solutions or plans presented in line with these figures here today, because these numbers are too uncomfortable and you are still not mature enough to tell it like it is.

You are failing us, but the young people are starting to understand your betrayal. The eyes of all future generations are upon you and if you choose to fail us, I say: We will never forgive you.

We will not let you get away with this. Right here, right now is where we draw the line. The world is waking up and change is coming, whether you like it or not.

 view all topics  > Climate change

Based on Science

Humans are causing global warming

argumentative speech about global warming

Which climate issues should be prioritized to create real impact? Image:  Pexels.

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Listen to the article

  • COP27 takes place in Egypt this month – urgent priorities include mitigation, adaptation, finance and collaboration.
  • Here we focus on key topics which deserve more attention as we seek to find climate change solutions.
  • Contributions from business leaders shine a light on what's needed to consolidate action.

This year’s UN Climate Conference COP27 takes place in Sharm el-Sheikh, 6-18 November, against a backdrop of turbulent global events: the war in Ukraine has sparked an energy crisis and we are experiencing more extreme weather events.

Last year's COP26 in Glasgow, marked five years since the Paris Agreement was signed, with its aim to keep global temperatures well below 2C above pre-industrial levels and to limit temperature increases to 1.5C.

Now, according to the UN's recent Emissions Gap Report , there is “no credible pathway to 1.5C in place”. This stark warning sets the tone for this year's climate summit.

With a vision to scale-up climate efforts and accelerate emissions reductions, the summit will focus on four central objectives: mitigation and reducing emissions; adaptation and enhancing resilience; the $100 billion promised by developed nations; and the urgent need for collaboration.

With that in mind, we've highlighted key climate issues – which aren't always given due consideration – but which should be prioritized to create real impact, including contributions from two business leaders.

1. Harnessing the power of the ocean

"five solutions can reduce greenhouse gas emissions by 20%".

We're not harnessing the true power of the ocean. Not only does the ocean offer solutions to reduce emissions and make a huge environmental impact, but we can also improve the health of this precious ecosystem.

Kristian Teleki, Director, Friends of Ocean Action, explains "There are five solutions that can reduce greenhouse gas emissions by 20% in order to get us to the 1.5C target those five solutions are: reducing emissions from maritime transport; nature-based solutions; shifting diets to eat more low carbon-intensive food from the ocean; offshore wind (or offshore renewable energy); and indeed storing carbon in the seabed."

The Blue Carbon Challenge is a key part of this effort to solve the climate crisis. Essentially, it's a global call for blue carbon initiatives (focused on mangrove, seagrass, marsh and seaweed) which could lead to carbon credits, and/or tools in finance, education and training that improve trust and transparency in the blue carbon market.

There's a huge opportunity to prioritise projects that benefit indigenous, local communities and biodiversity. The solutions exist but we need to focus our energies on making change happen now, before it's too late.

2. Women as climate leaders

"we have to start valuing, community-based knowledge and traditional ecological knowledge".

Climate change is unequivocally a threat to all humanity but not everyone is affected or at risk to the same extent. Women are 14 times more likely to die in a climate-rated disaster than men. Those living in low and middle-income countries bear the brunt of caring responsibilities, looking after children and elderly relatives, in incredibly challenging conditions.

Kahea Pacheco, co-executive director of the Women's Earth Alliance , says "They are often tasked with finding food and providing energy for cooking and all of those things become worse and become harder to do when dealing with climate impacts and when dealing with environmental justice."

Too often these women are ignored but they are uniquely positioned to contribute to solutions that work best for their communities. They understand better than anyone what could make a real difference and offer a fresh perspective on how to achieve meaningful impact.

Pacheco explains, "We have to start valuing, community-based knowledge and traditional ecological knowledge on the same playing field as we value Western knowledge and science. Because I think there's a power dynamic there. And I think that not valuing it equally is one of the reasons that entities don't think to partner with communities first and foremost."

Have you read?

7 leaders share what's needed now for climate action ahead of cop27, cop27: why it matters and 5 key areas for action, true success at cop27 means addressing climate justice — here's how to do it, 3. africa has a pivotal role to play, "africa must chart its sustainability ambitions at cop27".

Caroline Parker, Managing Director, Strategic Communications, FTI Consulting South Africa

Dr. Martin Porter, Senior Advisor for Sustainability at FTI Consulting and Executive Chair, Cambridge Institute of Sustainability Leadership, Brussels

African nations must use COP27 to present a united vision of their transition path to a climate neutral, sustainable continent that ensures its economies and people are central to potential solutions. This requires building resilience and being compensated fairly for loss or damage, whilst benefitting from economic and social opportunities.

Three important threads inform policy adoption for Africa. First, policy transformation must act as a catalyst for progress and change. Secondly, policy harmonisation will facilitate intra-Africa cooperation and regional integration that positions it more powerfully on the world stage.

Finally, optimising global cooperation and partnerships such as with the EU will create initiatives and common agendas based on shared interest. The EU is working to include sustainability considerations into every aspect of finance and support tangible ESG business transformations to attract investors. Investment policies adopted by our own financial institutions must be conducive towards climate change and climate neutrality, while supporting Africa’s just transition.

These steps will help create policy certainty required to secure capital flows to build new sectors while transitioning to a sustainable economy. Robust governance aligned with global standards will be critical, while Africa must not be disadvantaged by principles and frameworks adopted elsewhere in the world.

Climate change poses an urgent threat demanding decisive action. Communities around the world are already experiencing increased climate impacts, from droughts to floods to rising seas. The World Economic Forum's Global Risks Report continues to rank these environmental threats at the top of the list.

To limit global temperature rise to well below 2°C and as close as possible to 1.5°C above pre-industrial levels, it is essential that businesses, policy-makers, and civil society advance comprehensive near- and long-term climate actions in line with the goals of the Paris Agreement on climate change.

The World Economic Forum's Climate Initiative supports the scaling and acceleration of global climate action through public and private-sector collaboration. The Initiative works across several workstreams to develop and implement inclusive and ambitious solutions.

This includes the Alliance of CEO Climate Leaders, a global network of business leaders from various industries developing cost-effective solutions to transitioning to a low-carbon, climate-resilient economy. CEOs use their position and influence with policy-makers and corporate partners to accelerate the transition and realize the economic benefits of delivering a safer climate.

Contact us to get involved.

4. Climate 2.0: c limate adaptation is key

"recognizing the dual opportunity of climate adaptation and mitigation".

Peter Herweck, CEO, AVEVA

At COP27, business leaders have an unprecedented opportunity to support accelerating access to clean, affordable and reliable energy for all as part of the solution to current crises. Setting and realizing ambitious decarbonization commitments continues to present an important source of economic opportunity for many businesses and communities.

For example, McKinsey projects growing demand for net-zero offerings can create new value pools, across infrastructure, transport, energy, power and buildings worth more than $12 trillion of annual sales by 2030.

Notwithstanding unwavering commitment to mitigation, it is important to recognize that we are already seeing devastating impacts from climate change across the globe. This includes in African continent, which is responsible for less than 4% of global CO2 emissions but pays one of the highest prices for global warming.

It is time for industry to step up and recognize that adaptation also provides significant opportunity and that we do not need to start from scratch to support its realization. Applying lessons learned from our net-zero journeys, using our business mindset and growing digital tools, we can identify a path forward, and build the collaboration we need to take us to a more equitable, resilient and sustainable future. Are you with us?

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Communicating on Climate Change

Communicating on climate change is about educating and mobilizing audiences to take action to confront the climate crisis. Everyone can play a part by raising their voice, sharing solutions, and advocating for change – shaped by different experiences, cultural contexts, and underlying values.

If you are creating a communications product – such as a video, a podcast, a written article, or a graphic on climate change – keep in mind the following tips to make it a valuable, effective, and reliable piece of content.  

1.  Use authoritative scientific information  

argumentative speech about global warming

Misinformation and disinformation are widespread on the issue of climate change – and they are major obstacles towards progress in tackling the climate crisis. Deceptive or misleading content distorts the perception of climate science and solutions, creates confusion, and often leads to delays in action or even harmful action. “Rhetoric and misinformation on climate change and the deliberate undermining of science have contributed to misperceptions of the scientific consensus, uncertainty, disregarded risk and urgency, and dissent,” according to the Intergovernmental Panel on Climate Change ( IPCC ).

  • Check your sources. When sharing facts and figures, make sure they come from a reliable source, which is science-based (consistent with the latest scientific consensus) and objective (not biased or influenced by financial or political incentives). Peer-reviewed articles (reviewed by experts in the same field prior to publication) generally provide the most reliable information. A uniquely authoritative source is the UN’s Intergovernmental Panel on Climate Change , whose comprehensive assessments are written by hundreds of leading scientists, with contributions from thousands of experts, and endorsed by its 195 member countries.  
  • Stop misinformation. Things you post online can spread very fast. Pause before you share something. Find out who made it, what sources it is based on, who paid for it, and who might be profiting from it. If you detect misinformation among your followers, rebut it by using the ‘Fact, Myth, Fallacy’ model that can help convey your message in a way that will stick.  
  • Beware of greenwashing (presenting a company or product as environmentally friendly when they actually aren’t). Double-check what the company is really doing to reduce their carbon footprint and deliver on their climate promises, and only promote genuinely sustainable brands that meet certain minimum criteria . When taking on work that is financially rewarding, be careful to challenge the assignment to make sure it promotes sustainable behaviours.  
  • Use trusted messengers. Breaking down the science behind climate change is complex, but the right messengers can get the audience engaged. As an established content creator, you may already be a trusted messenger for your audience. If you bring in other messengers, consider respected scientists (whose articles refer to peer-reviewed scientific journals or studies conducted by reputable research institutions or universities), weather presenters, and medical doctors, all of which are widely trusted . Often the most impactful climate communications also come from “ people like me ” who are affected and care.  

2.  Convey the problem and the solutions  

argumentative speech about global warming

Explaining the scale of the climate crisis is important, but it can seem overwhelming, leading people to lose interest and tune out. Climate change is one of the greatest challenges humankind has faced. It is daunting, but the fight against climate change is far from lost. The worst impacts can still be averted if we act now. A good way around disillusionment and “crisis fatigue” is to convey a hopeful message focused on the solutions , helping people feel empowered and motivated to engage.

  • Tell a story – make it real. Presenting data alone may numb the audience. Make it relatable, local, and personal . Individual stories can forge an emotive connection , get the audience to care, and make shared global challenges seem less daunting. You don’t even need to lead with the word ‘climate’ but start with a related issue that is important to your audience. Air pollution, for instance, which cities like Dar es Salaam are tackling by introducing soot-free buses. Or new job opportunities offered by clean energy projects, like in this story from India . Or power outages during hurricanes, which Puerto Rico is tackling by installing solar power.  
  • Empower people. Let people know that they have the power to effect change. Individual action and systemic change go hand in hand . Individuals can help drive change by shifting consumption patterns and demanding action by governments and corporations. Small steps by a large number of people can help persuade leaders to make the big changes we need. And the more people act now and speak up for change, the bigger the pressure on leaders to act.  
  • Link it to justice. Climate change is not just about science, it is also an issue of justice . The poor and marginalized are often hit the hardest by increasing climate hazards like floods, droughts, and storms. Those who contributed the least to greenhouse gas emissions are too often affected the most. And financial commitments of support by wealthier countries have not been met. Solving the climate crisis also means addressing injustice and inequity, which can create opportunities for all.  
  • Avoid stereotypes . Poorer countries and underserved communities, including indigenous peoples who have protected the environment for generations, are often portrayed solely as victims of climate change, rather than positive agents of change. The same is often the case for women and girls. Make sure to highlight the voices, expertise, innovations, positive action, and solutions by people from all walks of life and communities from all parts of the world .  

3.  Mobilize action  

argumentative speech about global warming

We need all hands on deck. Cutting greenhouse gas emissions to net zero by 2050, and halving them by 2030, requires nothing less than a complete transformation of how we produce, consume, and move about. Surveys indicate that a majority of people around the world want their governments to take action and most citizens in advanced economies are willing to make changes in their own lives.

  • Convey urgency. Make it about now. Many misinformation narratives present climate action as something that is necessary, but only in the future. Make sure you let people know what needs to happen right now in order to solve the climate crisis, and that action can’t wait . Studies have also shown that explaining the human causes of climate change increases public support for urgent action.  
  • Focus on the opportunities. Get your audience excited about the prospects of a sustainable world. Addressing climate change will bring about an abundance of opportunities – green jobs, cleaner air, renewable energy, food security, livable coastal cities, and better health. Are there climate initiatives in your community that face resistance? Showcase their benefits to rally support. Reframing the issue to focus on the prospects of a better future can galvanize action.  
  • Make it relevant. Meet people where they are – and avoid technical jargon. Limiting global warming to 1.5°C, for example, can be hard for people to relate to. Frame the issue in a way that will resonate with your local audience, by linking it to shared values like family, nature, community, and religion for instance. Safety and stability – protecting what we have – were also found to be highly effective frames for creating a sense of urgency.  
  • Engage youth. The global youth climate movement has played a powerful role in driving action and holding leaders accountable. Featuring voices of youth will make your content more relatable to young people and get more youth involved in demanding change. But avoid presenting climate change as a problem only for future generations. It is hitting hard right now, and action is needed right now.  

These guidelines were produced by the United Nations Department of Global Communications , in consultation with United Nations Climate Change (UNFCCC), the United Nations Environment Programme (UNEP), and the World Meteorological Organization (WMO), as well as ACT Climate Labs , Climate Action Against Disinformation (CAAD), the Conscious Advertising Network (CAN), TED Countdown , and the Yale Program on Climate Change Communication .

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  • Explaining net zero
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Federal judge orders ICE to end ‘knock and talk’ arrests of immigrants in Southern California

U.S. Immigration and Customs Enforcement agents take a person into custody.

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A federal judge in Los Angeles has ruled that a tactic used by federal immigration agents in Southern California to arrest people in their homes without a judicial warrant is unconstitutional and must end.

The judgment — issued Wednesday against the U.S. Immigration and Customs Enforcement agency — involves so-called knock and talk practices.

ICE didn’t immediately respond to a request for comment.

Tijuana, Mexico, Thursday, April 25, 2024 - Hundreds of asylum seekers who used a CBP phone app to make an appointment, wait to for a scheduled interview with U.S. border agents at the San Ysidro Border Crossing. (Robert Gauthier/Los Angeles Times)

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Advocates argued that the immigration agency rarely obtains judicial warrants and instead counts on immigrants answering their doors voluntarily. Advocates alleged agents routinely misrepresent themselves as police to gain entry so they can carry out an arrest.

Immigrant advocacy groups praised the ruling.

“It is a basic human right for immigrants to feel safe in their own homes and live without fear,” Lizbeth Abeln, interim director at the Inland Coalition for Immigrant Justice, wrote in a news release Thursday. “This won’t undo the years of harm done by ICE, but it is a good first step towards justice.”

The order applies only to ICE’s Los Angeles field office, which includes the counties of Los Angeles, Orange, San Bernardino, Riverside, Ventura, Santa Barbara and San Luis Obispo. An expert witness said that available data showed ICE’s knock and talk methods accounted for at least 8% of arrests in 2022.

Four examples listed in the order — occurring between 2017 and 2020 — illustrate instances in which immigration agents entered constitutionally protected areas around a person’s home, such as their porch, patio or backyard, to make contact for an arrest.

Advocates said the practice has continued since then in Los Angeles and across the country.

U.S. District Judge Otis D. Wright II rejected ICE’s argument that its agents could enter the private areas surrounding a home to knock on the door because mail carriers and delivery people routinely do so.

Immigration agents walk up to a resident’s home without consent and, when the person opens the door, the agents “generally state that they are ‘conducting an investigation,’” according to the order. ICE policies and training encourage agents to use knock and talks, calling the practice one of the four primary methods of apprehension.

“Despite often stating a different purpose for their visit, the true ‘intent’ and ‘actual purpose’ behind a ‘knock and talk’ is to make an immigration arrest,” the judge wrote.

The agents would be permitted to enter those areas if their goal was merely to ask questions, Wright wrote. But he said the Constitution prohibits them from doing so “without a judicial warrant with the intent to arrest the occupant.”

“The more accurate title,” Wright wrote, “would be ‘knock and arrests.’”

The ruling stems from a 2020 class-action lawsuit filed on behalf of two local advocacy organizations, the Inland Coalition for Immigrant Justice and the Coalition for Humane Immigrant Rights, as well as one individual, Osny Sorto-Vasquez Kidd.

The American Civil Liberties Union of Southern California, the UC Irvine School of Law Immigrant Rights Clinic, and the law firm Munger, Tolles & Olson represented the plaintiffs.

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FILE - Migrants who crossed the Rio Grande and entered the U.S. from Mexico are lined up for processing by U.S. Customs and Border Protection, Sept. 23, 2023, in Eagle Pass, Texas. A federal judge on Thursday, Feb. 29, 2024 blocked a new Texas law that gives police broad powers to arrest migrants suspected of illegally entering the U.S., dealing a victory to the Biden administration in its feud with Republican Gov. Greg Abbott over immigration enforcement. (AP Photo/Eric Gay, file)

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argumentative speech about global warming

Andrea Castillo covers immigration. Before joining the Los Angeles Times, she covered immigrant, ethnic and LGBTQ+ communities for the Fresno Bee. She got her start at the Oregonian in Portland. A native of Seattle, she’s been making her way down the West Coast since her graduation from Washington State University.

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